recursive method for categories inside
Fixed erasing
Bug fixes
Categories refactoring. Include parent management.
Merge branch 'master' of https://github.com/ging/vish into storyrobin

Conflicts:
	db/schema.rb
Merge branch 'workshopstyle' of https://github.com/ging/vish into storyrobin
Category show bug fixed
Categories refactoring. Breadcrumb path added.
Property objects validation on Categories
Enhance duplicated title validation on categories
Readable language for AOs
Readable methods and translated metadata
Merge branch 'master' of https://github.com/ging/vish into storyrobin
Merge branch 'workshopstyle' of https://github.com/ging/vish into workshopstyle

Conflicts:
	config/locales/es.yml