Some alphabetical cleaning
Added undo/redo support to the client
Merge branch 'master' of https://github.com/highfidelity/hifi into undo_redo_system
Merge branch 'master' of https://github.com/highfidelity/hifi into undo_redo_system
More work on Undo/Redo
Erased deprecated code
Merge branch 'master' of https://github.com/highfidelity/hifi into undo_redo_system
Code review
Code review
Merge pull request #2614 from Atlante45/undo_redo_system

Undo redo system