Add ability to edit and commit from the browser. Feature is able to be turned on and off in the config file. Commit is depended on what ever is set up for the local user; such as the username, email, etc. No tests have been written. Manual tests conducted.
Update comment. Line level changes not captured.
Merge branch 'browser-editable'

Conflicts:
	build.xml
	src/GitList/Application.php
	src/GitList/Controller/TreeController.php
	views/file.twig
	web/js/main.js