Don't push
Begin canvas bg resize (not finished)
Set background for canvas
By works, I meant 'doesnt work'. Works now.. (whatthecommit.com)
Finish canvas bg resize
Revert "Don't push"

I said "Don't push"

This reverts commit 2319653a8a6422694dca3a3c38e288023955558a.
fix cmake
update db
fix json in layout
TODO up
fix fileselector, after it was changed in upstream
looks like added full (without deletion) support to Box container
add Contents tab into propview

  - add reordering of elements in box
  - adding/deleting elements to/from box
change parent, when content is added or deleted on container
add dependency for contents
add manager unpack function

  -  provide adding, deleting. repacking around boxes
don't add widget into hoversel, if it's already in container
add support for table container
add support for changing packing coords in table
add json generation for json
adding absent declarations into header