add DeployGate files
support deploygate
append DeployGate in the README
fix conflict
Merge branch 'master' of https://github.com/henteko/gradle-xcodePlugin into henteko-master

Conflicts:
	README.md
	plugin/src/main/groovy/org/openbakery/XcodeBuildCleanTask.groovy
	plugin/src/main/groovy/org/openbakery/XcodePlugin.groovy
Merge branch 'henteko-master'