removed download of attachment template in registration single
add translation
add canUserModifyRegistrationFields to jsObject in project single
block the modification of the project registration fields after someone register in project (ref: #595)
validates that the agent relation is enabled before send the registration
Merge branch 'master' of github.com:hacklabr/mapasculturais

Conflicts:
	src/protected/application/lib/MapasCulturais/Entities/Registration.php
	src/protected/application/translations/pt-br.php