Added remaining API parameters
Changed logging from println to using logger
Removed privatePage, doesn't seem to be part of API for uploading a version. Added tags and updated README.md and sample build.gradle.
Changed logging wording.
Renamed json response object
Merge branch 'properties_clean' of github.com:sveinungkb/gradle-hockeyapp-plugin into sveinungkb-properties_clean

Conflicts:
	README.md
Merge branch 'properties_clean' of github.com:sveinungkb/gradle-hockeyapp-plugin into sveinungkb-properties_clean