new header
add parents and test
Put the new commit header in the window
Preserve header collapsed state

Also fix adding parents to the header.
Clickable parents
Merge branch 'master' into header

Conflicts:
	Xit.xcodeproj/project.pbxproj
	Xit/XTFileViewController.m
	Xit/XTFileViewController.xib
XTWebViewController
Adding copy remote URL command on right clicking remote
Clipboard responsibilities moved to XTRepository+Commands
Checking validity of remoteURL
Check condition for length of remote URL changed
Merge branch 'master' into header
Header formatting tweaks

- Remove whitespace around the message
- Increase line spacing
- Labels are non-selectable, with arrow cursor
- Rollover area for parent links is just the text
Don't resize header with split view
Adding space after if
Merge pull request #136 from nerandell/working

Adding copy remote URL command on right clicking remote
Update FullHeightToolbar
Adjust splitter when toggling header
Remove observers
Merge branch 'refs/heads/header'