Adding HTTP request plugin

Adding link to HTTP request plugin repo
Hook TwitterPlugin to Cordova version of JSONKit

Hook TwitterPlugin to Cordova version of JSONKit
Merge pull request #960 from RandyMcMillan/patch-2

Hook TwitterPlugin to Cordova version of JSONKit
Merge pull request #959 from bperin/master

Added a HTTP request plugin
Merge https://github.com/phonegap/phonegap-plugins

* https://github.com/phonegap/phonegap-plugins:
  Hook TwitterPlugin to Cordova version of JSONKit
  Adding HTTP request plugin