Integrate Dropbox-Uploader into project

Dropbox Uploader is a BASH script which can be used to upload, download, list or delete files from Dropbox.

Ref: https://github.com/andreafabrizi/Dropbox-Uploader

Author: CubicApps

support/drop/CHANGELOG.md

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+# CHANGELOG
+
+## Version 0.14 - 15 Jul 2014
+* Fix issue #112, replaced bash condition -f with -e
+* Fix issue #117, sed: 1: invalid command code z
+* Fix issue #122, Directory upload doesn't work
+* Fix issue #132, enhanced cross compatibility for bash conditions
+
+## Version 0.13 - 17 Jan 2014
+* Minor languages fixes, based on issue #88
+* Fix issue #91, sed take long time to process regexp on big data
+* Fix issue #87, second chunked upload fails after successful first
+* Fix issue #97, greadlink not selected on OSX Mavericks
+* Fix issues #99 and #100: The stat command in OSX 10.9 has no parameter named --format
+* Fix issue #99, clarified how to install greadlink (via homebrew) for Mac OS X. Thanks to paultreny
+* Improved list command and minor changes
+* Fix issue #103, transform Unicode code-points to characters in list command
+* Add VERSION output in DEBUG mode
+* DropShell: Fixed issue with quoted command parameters
+* Fix issue with absolute paths in CD command
+* Enhancement request #108: add initial wildcard support in upload command
+* Now the destination file/dir for the upload command is mandatory
+* Fixed issue listing files/folders names containing quotes
+
+## Version 0.12.1 - 24 Oct 2013
+* Fixed unicode problem with special chars in file names
+* Fixed problem removing temp files
+* Improved detection of configuration error and better handling of http errors
+* Updated setup procedure
+* Fixed incompatibility with old bash version
+
+## Version 0.12 - 06 Sep 2013
+* Fixed problem uploading twice the same directory
+* Add checking for not allowed file names
+* Handling connection/resolving host errors
+* Better error handling
+* Converted if condition to BASH native syntax
+* Add normalize_path function, to canonicalize paths
+* Add -s option to skip existing files when upload/download
+* Removed check for free quota on every file upload to improve performance
+* Add checks for file permissions before writing/reading files on the local fs
+* Add copy function
+* Fixed unicode problem in file listing
+* A lot of minor changes and improvements
+
+## Version 0.11.9 - 27 Jun 2013
+* Add missing -f option in usage
+* Add some /dev/null redirects
+* Improved error messages
+* Improved grep syntax
+* Add function to check the cURL exit code
+* Improved messages output
+* Add new command line options: -q -d -k
+
+## Version 0.11.8 - 05 Jun 2013
+* Add move/rename function
+* Improved the configuration file management (thanks to Robert G.)
+* Updated strings to reflect the new Dropbox "Create App" page
+* Add support for download directories
+* Add support for upload directories
+
+## Version 0.11.7 - 23 Apr 2013
+* Fixed issue with special chars
+* Fix for iOS
+
+## Version 0.11.6 - 15 Mar 2013
+* Add optional command-line parameter ('-f') to read dropbox configuration from a specific file (thanks to pjv)
+
+## Version 0.11.5 - 22 Gen 2013
+* Added the ability to get a share link for a specified file (thanks to camspiers)
+
+## Version 0.11.4 - 17 Gen 2013
+* Fix for QNAP compatibility (thanks to Fritz Ferstl)
+* Implemented mkdir command (thanks to Joel Maslak)
+* Fix for Solaris compatibility
+
+## Version 0.11.3 - 22 Dec 2012:
+* Improved list command (thanks to Robert González)
+* Fixed problem with unicode characters
+
+## Version 0.11.2 - 14 Nov 2012:
+* Added a check for the free quota before uploading a file
+* Now the quota informations are displayed in Mb
+* Removed urlencode function for incompatibility with older curl versions
+* Fixed problem uploading files that contains @ character
+* Minor changes
+
+## Version 0.11.1 - 12 Nov 2012:
+* As suggested by the DropBox API documentation, the default chunk for chunked uploads is now 4Mb
+* Minor changes
+
+## Version 0.11 - 11 Nov 2012:
+* Parameterized the curl binary location
+* Fix for MacOSX 10.8 (thanks to Ben - www.aquiltforever.com)
+
+## Version 0.10 - 03 Nov 2012:
+* Code clean
+* Improved urlencode function (thanks to Stefan Trauth * www.stefantrauth.de)
+* Added command remove as alias of delete
+* Fix for Raspberry PI
+* Now if an error occurs during a chunk uploading, the upload is retried for a maximum of three times
+* Minor changes
+* Tested on Cygwin and MacOSX
+
+## Version 0.9.9 - 24 Oct 2012:
+* Added the possibility to choose the access level (App folder o Full Dropbox) during the setup procedure
+* Added a check for the BASH shell version
+* Fixed problems in listing files/directories with special characters
+* Added the option CURL_ACCEPT_CERTIFICATES (see the script source)
+* Added back the standard upload function. Now only if the file is greater than 150Mb, the chunked_upload API will be used.
+* Fixed compatibility with bsd sed. Tested on FreeBSD, but probably it works on others bsd versions and osx. Let me know!
+* Minor changes
+
+## Version 0.9.8 - 03 Oct 2012:
+* Implemented chunked upload. Now there is no limit to file size!
+
+## Version 0.9.7 - 14 Sep 2012:
+* Fixed bug in listing empty directories
+
+## Version 0.9.6 - 12 Sep 2012:
+* Implemented list command
+* Minor changes
+
+## Version 0.9.5 - 18 Jul 2012:
+* Added a check for the maximum file size allowed by the DropBox API
+* Minor changes
+
+## Version 0.9.4 - 19 Mar 2012:
+* Implemented delete command
+* Minor changes
+
+## Version 0.9.3 - 01 Mar 2012:
+* Implemented download command
+* Improved info output
+* Fixed utime function
+* Added dependency check for basename
+* The script always returns 1 when errors occurs
+* Improved error handling
+* Fixed problem with spaces in config file name
+* Minor bug fixes
+
+## Version 0.9.2 - 28 Feb 2012:
+* Increased security, now any user can create his own Dropbox App
+
+## Version 0.9.1 - 27 Feb 2012:
+* Fixed problem with spaces in dst file name
+
+## Version 0.9 - 27 Feb 2012:
+* Code rewritten from scratch (CLI changed)
+* Improved security and stability using official dropbox API, no more username/password needed!
+
+## Version 0.8.2 - 07 Sep 2011:
+* Removed INTERACTIVE_MODE variable (now the progress bar is shown in VERBOSE mode)
+* Improved command line interface and error messages
+* Minor bug fixes
+
+## Version 0.8.1 - 31 Aug 2011 (by Dawid Ferenczy - www.ferenczy.cz)
+* added prompt for the Dropbox password from keyboard, if there is no password
+  hardcoded or given as script command line parameter (interactive mode)
+* added INTERACTIVE_MODE variable - when set to 1 show CURL progress bar.
+  Set to 1 automatically when there is no password hardcoded or given as
+  parameter. Controls verbosity of CURL.
+
+## Version 0.7.1 - 10 Mar 2011:
+* Minor bug fixes
+
+## Version 0.7 - 10 Mar 2011:
+* New command line interface
+* Code clean
+
+## Version 0.6 - 11 Gen 2011:
+* Fixed issue with spaces in file/forder name
+
+## Version 0.5 - 04 Gen 2011:
+* Recursive directory upload
+
+## Version 0.4 - 29 Dec 2010:
+* Now works on BSD and MAC
+* Interactive prompt for username and password
+* Speeded up the uploading process
+* Debug mode
+
+## Version 0.3 - 18 Nov 2010:
+* Regex updated
+
+## Version 0.2 - 04 Sep 2010:
+* Removed dependencies from tempfile
+* Code clean
+
+## Version 0.1 - 23 Aug 2010:
+* Initial release