Test if re-fork is required.
Merge remote-tracking branch 'appcelerator/master'
Add backgroundFetch example using Objective-C blocks with NSURLSession.
Merge pull request #109 from matt-langston/master

Add backgroundFetch example using Objective-C blocks with NSURLSession.
metabase.js fixes, docs, and (the start of) tests
fixed packager classname
Merge remote-tracking branch 'upstream/master'
add minimum ios version check
more metabase testing, better use of caching
added basics test coverage via istanbul

http://cl.ly/image/3K332T3z0m1E
#44 implemented block support (objective-c)
Merge remote-tracking branch 'upstream/master'