Add EL7 releaser.
Fix bugs building old tag with custom tito.props. (at that time)

Need test coverage here, may still be more issues.
TypeError: __init__() takes exactly 1 argument (2 given)
raw_input was renamed under python3
change inheritance for ObsReleaser

so OBS get _list_files_to_copy()
This happen when CVS releaser was obsoleted.
E:112,24: Instance of BuilderBase has no REQUIRED_ARGS member (no-member)
get rid of wildcards imports
defattr is not needed

this is default and not needed unless we build for el4
move incorrectly placed imports
E:166,16: Undefined variable 'config' (undefined-variable)
NameError: global name 'getoutput' is not defined
NameError: global name 'RawConfigParser' is not defined
Merge branch 'master' of github.com:dgoodwin/tito
Merge branch 'wildcards' of https://github.com/xsuchy/tito into xsuchy-wildcards

Conflicts:
	test/functional/singleproject_tests.py
Merge branch 'xsuchy-wildcards'