Updates CocoaLumberjack
Merge pull request #63 from wordpress-mobile/issue/62-updates-cocoalumberjack

Updates CocoaLumberjack
Bumping podspec
Fixed broken Podfile.
Merge branch 'develop' into issue/60-new-stats

Conflicts:
	Podfile
	Podfile.lock
	WordPressCom-Stats-iOS.xcodeproj/project.pbxproj