CLDIDE-2197; fix git pull when no author;
Rename packages for importers.
CLDIDE-2197; fix git pull when no author;
IDEX-1579 Fixed branch deletion
Merge pull request #61 from codenvy/IDEX-1579

IDEX-1579 Fixed branches deletion
CLDIDE-2160 Used OAuth related code from security. CLDIDE-2182 Make OAuth based CredentialsProviders take user from OAuthAuthenticator
CLDIDE-2202 Set correct name if Codenvy commiter
Merge branch 'master' of github.com:codenvy/plugin-git into unit-test-porting
Added test