new api calls + plain text API support

Signed-off-by: Ondrej Rafaj <ondrej.rafaj@fuerteint.com>
Merge branch 'master' of github.com:FuerteInternational/iJenkins

Signed-off-by: Ondrej Rafaj <ondrej.rafaj@fuerteint.com>

Conflicts:
	iJenkins/FTBuildDetailViewController.m