Adds iOS compatible libstrophe
Passes cucumber test
Modified README to mention XCode tools.
Merge remote-tracking branch 'espark/master' into add-libstrophe

Conflicts:
	AuctionSniper.xcodeproj/project.pbxproj
Merge pull request #1 from ehopealot/add-libstrophe

Adds iOS compatible libstrophe
Merge branch 'master' of github.com:eSpark/AuctionSniper