Fixed Apple Developer Program License Agreement link (microsoft#1502)

Fix ios postlink (microsoft#1482)

[Feature] Re-try mechanism for CodePush Rollbacks (microsoft#1467)

Bump for new version 5.4.2

* Added items in .npmignore

Bumped code-push version (microsoft#1365)

Update compatibility table. (microsoft#1344)

Get update folder method (microsoft#1323)

* Exposed current update path.

* Check for null

* API reference update

Prevent crashing app by catching errors (microsoft#1286)

* Convert all @ReactMethod in try-catch block

* Fix Exception type

* Replaced e.printStackTrace() with CodePushUtils.log(e)

* Combined catches with the same handler.

Update postlink.js (microsoft#1262)

Fixing bug where CocoaPods files (ios/Pods/Pods.xcodeproj) causes error "Could not determine correct xcode proj path to retrieve related plist file, there are multiple xcodeproj under the solution"

Update code-push dependency (microsoft#1231)