Relaxing acts_as_list dependency.

0.5.0 is currently the latest.

fixes #5779
require latest aal.
Fixes right admin sidebar text distortion.

Right admin sidebar has a fixed with of 170px, when adding elements to
this the text get distorted in many cases. English translations are
normally short while most other translations have much longer words.
Title should normally be set to display the full word.

fixes #5780
Moved the collapse_sidebar_link

So adding an item to the menu deface is doable again

fixes #5781