Update from rapid7 master

Author: jvazquez-r7

.ruby-version

@@ -1 +1 @@
-1.9.3-p484
+1.9.3-p547

CONTRIBUTING.md

@@ -50,7 +50,7 @@ Pull requests [#2940](https://github.com/rapid7/metasploit-framework/pull/2940)
 #### New Modules
 
 * **Do** run `tools/msftidy.rb` against your module and fix any errors or warnings that come up. Even better would be to set up `msftidy.rb` as a [pre-commit hook](https://github.com/rapid7/metasploit-framework/blob/master/tools/dev/pre-commit-hook.rb).
-* **Do** use the [many module mixin APIs](https://dev.metasploit.com/documents/api/). Wheel improvements are welcome; wheel reinventions, not so much.
+* **Do** use the [many module mixin APIs](https://dev.metasploit.com/api/). Wheel improvements are welcome; wheel reinventions, not so much.
 * **Don't** include more than one module per pull request.
 
 #### Library Code

LICENSE

@@ -36,6 +36,10 @@ Files: external/ruby-lorcon/*
 Copyright: 2005, dragorn and Joshua Wright
 License: LGPL-2.1
 
+Files: external/source/exploits/IE11SandboxEscapes/*
+Copyright: James Forshaw, 2014
+License: GPLv3
+
 Files: external/source/byakugan/*
 Copyright: Lurene Grenier, 2009
 License: BSD-3-clause