Update project template to have iOS 5.0 as the minimal target.

Also enables ARC by default (not sure why it wasn't already on)
https://issues.apache.org/jira/browse/CB-2092
Fix up invalid #pragma mark lines in our project template.
Revert enabling of ARC in the project template

Turns out we actually haven't updated our template's code to use ARC
yet. We should do this for the next release, but for now it's safer to
just revert this change.
Interim js to fix 2 File API mobile-spec failures
[CB-2088] InAppBrowser - view a video file in fullscreen mode
[CB-2095] Delete incomplete file on filetransfer.abort
Updated js to 2.3.0
Updated VERSION to 2.3.0
Add slice() support to readAsText.
Add slice() support to readAsDataURL.
IOS fix slow contact access due to photos temp file generation

"Do-while test if tmp file exists" costs a lot. Use mktemp instead to generate photo tmp file.

Before (300 contacts with pictures):
5minutes

After:
10 seconds
Adding bool plugin result message, tests
CordovaLibTests - update project file for iOS 5 support.
cordova/run and cordova/emulate refer to old 'debug' script which has been renamed to 'build'
Make cordova_plist_to_config_xml able to handle binary plist files

Fixes https://issues.apache.org/jira/browse/CB-2160
[CB-1495] iOS default splash screen images take up several megabytes
[CB-1849] Remove iOS 4/5 conditional code block, put in main block
Ran splashscreen images through ImageOptim.

About 15% smaller.
Move start page to be specified in <content> tag.

The default is still index.html and can be overridden in AppDelegate.m
if necessary. The <content src="PAGE" /> can be a relative path into www
or a full URL with scheme.
[ios]CB-2189: support ArrayBuffer over exec bridge