commit
Description:
Commits the current patch.
You must have resolved any conflicts that were introduced during the patch application from the next invocation.
Parameters:
| this | 
           a Rebase.  | 
      
| author | 
           a Signature or null to keep the author from the original commit.  | 
      
| committer | 
           a Signature.  | 
      
| message | 
           the message for this commit, or null to use the message from the original commit.  | 
      
Returns:
| 
           a OId of the newly created commit or null.  |