upload version 1.84 of Boost (#20)

Author: cipolleschi

README.md

@@ -1,8 +1,8 @@
 # Boost for React Native
 
-This is a copy of [Boost](http://www.boost.org/) that is used to build React Native from source. It includes just the Boost source code (without the docs, for example) so that downloading and extracting the files doesn't take too long.
+This is the subset of [Boost](http://www.boost.org/) required by React Native. It includes only the Boost source code (without the docs, for example) that is needed by RN.
 
-You probably don't want to directly use this repository. Its sole purpose is to distribute the Boost code for building React Native.
+Do not use this repo directly: its sole purpose is to distribute Boost code for building React Native.
 
 This library does not necessarily follow semver. It follows Boost's versioning plus a number in the prerelease identifier position. React Native declares the exact version of this library it depends on instead of using semver ranges.
 
@@ -12,11 +12,11 @@ First, download a new version of Boost, e.g.: http://www.boost.org/users/history
 
 Then create a dummy commit and a git tag so you can create a new release.
 
-React Native build tools (Gradle) expect specific folder structure.
+React Native build tools (Gradle and Cocoapods) expect specific folder structure.
 Run this command to get a .tar.gz file:
 
 ```
-tar -cvzf boost_1_63_0.tar.gz boost_1_63_0/
+tar -cvzf boost_<version>.tar.gz boost_<version>/
 ```
 
 Then drag&drop the tar.gz file to the releases page.