Adding .xccheckout files, which were introduced in Xcode 5, to .gitignore
Adding .xccheckout files, which were introduced in Xcode 5, to .gitignore

TestingWithFrank/Frank,moredip/Frank,TestingWithFrank/Frank,quamotion/Frank,Weeman360/frank-cucumber-pitchin,moredip/Frank,pskrz/Frank,pskrz/Frank,Weeman360/frank-cucumber-pitchin,Weeman360/frank-cucumber-pitchin,quamotion/Frank,Weeman360/frank-cucumber-pitchin,TestingWithFrank/Frank,quamotion/Frank,pskrz/Frank