removed xcodebuild.buildRoot because now the gradle default buildDir variable is used
also changed the all file names are now File objects instead of strings
changed the the default location of the keychain is in the build directory
added copyright
added license
added that gradle uses a unique keychain
added that all gradle keychains are cleaned up where the keychain file does not exist
updated that the provisioning profile is now unique
also they are cleaned at the end of the build or if profiles are linked found in ~/Library/MobileDevice/Provisioning Profiles that are missing