support service in nilavu.yml
oauth check fb, github and g+
send email only if support email given
Merge pull request #185 from thomasalrin/0.5

support service in nilavu.yml
orgfix
organization display fix
domain fix
Merge pull request #187 from morpheyesh/0.5

0.5
Merge remote-tracking branch 'origin/0.5' into 0.5