[master] Minor improvements
[master] First attempt to use filter/sorter functions without the need of columns
[master] Improve functionnal programming code parts, add custom filters/sorters
[master] Simplify template inclusion function
[master] Add ex5 about actions
[master] Add ex6 about global templates (Media Grid)
[master] Merge config improvements
Merge branch 'master' of github.com:vbrajon/board

Conflicts:
	bower.json
	config.coffee