Merge pull request #55 from Jako/master

Partly fixing #1714: Show below the label of a template variable if the value is inherited.
Fix 023bd1c4ddd4ed7e0a65058c225eb03eddb2a24b
( http://tracker.modx.com/issues/9802 )
Merge pull request #56 from yama/temp

Fix 023bd1c4ddd4ed7e0a65058c225eb03eddb2a24b
Refactor #9839 ManagerManager - problem of mm_inherit()
Merge pull request #57 from yama/temp

Refactor #9839 ManagerManager - problem of mm_inherit()