Typo.
Fixed Typo + Undeclared variables within cache getters.
Merge pull request #750 from doertedev/master

Fixed Typo + Undeclared variables within cache getters.
Added Code comments to render.php
Merge branch 'master' of https://github.com/bolt/bolt

Conflicts:
	app/src/Bolt/Render.php
Tweaks and fixes for 'roles and permissions'.
Tweaking the "stack" -> handle "files/files/" better.
removed unneeded statement.
Make the 'changelog' use 'ownerid'. Show username for 'id' in lastmodified. Fixes #751
Working on caching. Pretty happy with the results, so far. :-) See #434
Whitespace
There's a nasty issue in the way we use Twig's Loaders. This is a partial solution, we'll need to fix it properly.
Removed unneeded line.
New PasswordProtect extension. Fixes #644