Initial commit of Keyboard plugin.
CB-4935 iOS Keyboard preferences code into its own plugin
Added pre-processor macro to check for 3.2.0 availability.
Updated keyboard plugin name in plugin.xml
Removed global var in Keyboard plugin
Added Keyboard plugin docs.
Relaxed 3.2.0 requirement for Keyboard plugin (compile warning, and note in the docs)
Made hideFormAccessoryBar a readwrite property again - it turns out the keyboard view is never re-used, and always created on use.
Increment keyboard plugin version to 0.1.1
CB-5373 Fix HideKeyboardFormAccessoryBar work when UIWebView is not at (0,0)
CB-5516 - iOS - StatusBar Plugin breaks with Keyboard Plugin ShrinksView enabled and text box selected
CB-5852: Disable iOS7 keyboard shrinkview, because of layout issues.
CB-6219 - Fix by preventing the main keyboard from becoming transparent on iOS 7. (This looked particularly bad on iOS 7.1, where a white background would render the Shift key icons invisible.) Closes #6
Changed namespace of keyboard plugin to org.apache.cordova.labs.keyboard
CB-5767 - Keyboard will/did hide/show events should be passed to JavaScript
CB-6444 - Programmatic switch for position:fixed elements quirks after hiding kbd (closes #9)
CB-5516 - (regression fix) Resize webView to handle orientation change when keyboard (closes #8)
CB-6563 - Keyboard: Fix issue with UIPickerViews breaking.
(closes #11)

Going from a keyboard to a select dropdown picker triggered the show
handler without ever calling the hide handler. Going from a select list
to a keyboard triggered show again. At this point, the UIWebView had
been shrunk to the point of having a height of 0.

Signed-off-by: Shazron Abdullah <shazron@apache.org>