[CB-2291] Change full example of "online" event to reflect timing change (for 2.2.0 and above)
Created document, only have one preference that is affected by config.xml.  This needs to be fixed before we can do more with the docs.
Adding settings after further inspecting CB-2296
CB-2307: Missed param when the docs were last updated
Removed un-needed step of iOS Upgrade (2.2 to 2.3)
Added iOS 2.3.0 to 2.4.0 Upgrading doc
[CB-2311] Add docs for iOS specific InAppBrowser window.open options
[CB-2312] Add BB10 support InAppBrowser docs
CB-1365: overview of config.xml documentation. added stubs for platform-specific project settings.
[CB-2278] Docs reference old incubator links
Updated config.xml documentation as per CB-2315
CB-1365: moving config.xml example to top-level guide. formatting for ios + android sub-guides.
CB-2229: defaults for whitelist are to allow all. added more detail to windows phone documentation
updates for Windows Phone changes in 2.4.0
Version 2.4.0
CB-2315: working out the config.xml docs for Android a bit more.
Last commit should have gone into edge, woops
CB-2316: config.xml documentation for BlackBerry.
Fix typo in formatting. Add mention of --edge arg.
[CB-2280]: Documentation for the 2 new properties.

- added doc description for 'FadeSplashScreen'
- added doc description for 'FadeSplashScreenDuration'