Rename ExampleApp into Example-iOS
Rework design so that we can provide an OSX version
Add an OSX version
Add a workspace for testing facility
Update README.md
Merge branch 'osx' of https://github.com/oakho/WebViewJavascriptBridge into osx

Conflicts:
	WebViewJavascriptBridge/WebViewJavascriptBridge.h
	WebViewJavascriptBridge/WebViewJavascriptBridge.m
Reorganize files so that: 1) including WVJB in an OSX or iOS project is simply dragging the one corresponding folder into your project (WebViewJavascriptBridge_iOS/OSX respectively), and 2) put all the example app contents in a single directory
resolve compile-time warning
update README instructions to deal with both iOS and OSX
Add @oakho to list of contributors, and reassign copyright of entire library to include both Marcus Westin and Antoine Lagadec.
v3.0.0 with OSX support