Added Page with blocks.

TODO:
Improve test.
Improve helpers.
Merge branch 'experimental'
Added Pages and Blocks

TODO:
Improve test
Improve helpers

Conflicts:
	app/controllers/application_controller.rb
	config/locales/application.es.yml
Fix in blocks_controller_test variable name.
Fix in local variable in blocks_controller_test
fixed issue in helper
Merge branch 'experimental'
Enhanced global behaviors,

TODO:
Add test for miniform login in pages
Removing extra testing line
Merge branch 'master' into experimental
Some improvements in blocks and page #20
Fuck, again the _test_ db mistake =)
about merging
Merge remote-tracking branch 'origin/experimental' into experimental
Merge remote-tracking branch 'origin/experimental' into experimental
Merge branch 'experimental' into frankenweenie

Conflicts:
	app/models/ability.rb
	app/models/institution.rb
	config/locales/application.es.yml
	config/routes.rb
	db/schema.rb
Merge branch 'experimental' into frankenweenie
Green again.

Adding more tests to #20.
Adding sort ability.
Improving selectors.
Added helper to move sortable items.
Added missing tests.
Fixed some behaviour issues.
Merge branch 'master' of https://github.com/francocatena/libreduca
Merge branches 'master' and 'experimental' into experimental