add check:osc task
add osc:sr command
provide default message if there is nothing in changes
use package dir from config
don't print useless message in non-verbose
improve it like suggested by mvidner
Merge pull request #5 from openSUSE/check_osc

add check:osc task
improved by mvidner suggestion
Merge pull request #6 from openSUSE/osc_sr

Osc sr
remove tabs
Merge branch 'master' into rm_gettext

Conflicts:
	Rakefile
remove submit task as deprecated by osc:submit