Textual search with pg_search
Merge branch 'master' into search

Conflicts:
	app/models/campaign.rb
	db/schema.rb
Merge branch 'master' into search
Textual search
Style fixes
Merge branch 'master' of https://github.com/ITBA/donar into search
Fix de estilo.
Merge branch 'master' of https://github.com/ITBA/donar into search
I miss to eliminate ':'
Merge pull request #11 from ITBA/search

Search