If you want to contribute, contact me by skype(vitaliel) or gtalk
or join the assembla space:

http://www.assembla.com/spaces/git4idea/

= Notes
This plugin is based on Mercurila plugin for IntelliJIdea,
http://code.google.com/p/mercurialidea/

Some time ago I want to start a git plugin based on svn2idea plugin,
but it is too complicated and after I found mercurial plugin, 
I decided to start a git plugin based on hg integration.