[Generator::Xcconfig] Add support for XCTest

Closes #1366
Ensure resource bundles are copied to installation location on install actions. Fixes #1364
Update CHANGELOG for #1364
Merge pull request #1367 from chrisgummer/1364-install-resource-bundles

1364 install resource bundles
Update integration spec fixtures.
Merge branch 'master' into xcode-5-support

Conflicts:
	Gemfile.lock
	spec/cocoapods-integration-specs