Removing dependency on DTCoreText
Updating podspec
Merge pull request #87 from wordpress-mobile/issue/remove-dependency-on-dtcoretext

Removing dependency on DTCoreText
Added shell unit test for WPStatsService
Fixing the dates being sent to remote depending on the situation
Merge branch 'issue/78-date-parameter' of github.com:wordpress-mobile/WordPressCom-Stats-iOS into issue/78-date-parameter