Sort at db level.
Fix read_source to not require result_info.
Fix bug in ajax.py
Merge branch 'master' of github.com:visgence/django-chucho into dev
Add chucho support for custom column types/options.
Merge branch 'dev' of github.com:visgence/django-chucho into dev
Uncouple slickgrid and dialog columns and add custom options.

    grid_column: True for displaying in slick grid
    filter_column: True for allowing filter on column
Remove css for cell selection color
Fix but with many to many fields not showing
Change m2m formater to use clickable span