New Cartesian editor was disabled in cryos/master

I’ve found that new Cartesian editor disappeared from Avogadro 1.1. Probably it was cused by merging with 1.0.1
Could you apply my commits changing CMakeList.txt, propextension and propmodel once again, or I need to redo that changes manually?

Reverted commits:

Blocked old cartesian editor in propextension 21e49021bc5a6795ec018b3515f61254305f28a5
Added Cartesian Editor to CMakeLists.txt 7f6cadf84e0b2416da89a798be78682a7041d280
Resource file for Cartesian Editor 0b7bbece23952b2bd2e3f6e4feb164c3d618e5a8