Honor passed in sqlite options when creating persistent store - this is needed to control the journal_mode in ios7 and osx 10.9.   See https://developer.apple.com/library/mac/releasenotes/DataManagement/WhatsNew_CoreData_OSX/#//apple_ref/doc/uid/TP40013395-CH1-SW1.
Introduce RKStatusCodesOfResponsesWithOptionalBodies

Closes #1685
Better JSON String Test Code
Fix Travis `pod install` error
Use @rpath as the `INSTALL_PATH` for the Static Library and Framework targets. closes #1682

For more details, see: http://www.dribin.org/dave/blog/archives/2009/11/15/rpath/ and https://developer.apple.com/library/mac/documentation/developertools/conceptual/DynamicLibraries/100-Articles/RunpathDependentLibraries.html
Add unit test for github issue #1695
Fix issue with deletion of managed objects if a response mapper error is encountered. closes #1695
Remove extra whitespace
Merge pull request #1700 from novkostya/bugfix/1695

Prevents deletion of managed objects if a response mapper error is encountered
Merge pull request #1691 from RestKit/testing/travis_fix

Fix Travis `pod install` error
Update AFNetworking to 1.3.3. Fixes #1696
Merge pull request #1701 from saniul/development

Update AFNetworking to 1.3.3. Fixes #1696
Use Brewfile for Homebrew Pre-Install Steps
Check for presence of cached and response ETags. Fixes #1599
Merge pull request #1708 from RestKit/bugfix/nil-etag

Check for presence of cached and response ETags. Fixes #1599
Merge pull request #1686 from RestKit/bugfix/no-content-type

Introduce RKStatusCodesOfResponsesWithOptionalBodies
Merge pull request #1702 from RestKit/brewfile

Use Brewfile for Homebrew Pre-Install Steps
Merge pull request #1687 from RestKit/testing/json-string

Better JSON String Test Code
Fix Cocoapods Badges

Had to change URLs to use `https` instead of `http`
Update Cocoapods to v0.29

Add spec's social_media_url