Merge pull request #81 from Edugate/develop

fixes
Merge pull request #83 from Edugate/develop

RegistrationPolicies
Merge branch 'develop' into 1.x-stable
Merge branch 'develop' into 1.x-stable
Merge branch 'develop' into 1.x-stable
Merge branch 'develop' into 1.x-stable
Merge branch 'develop' into 1.x-stable
Merge pull request #84 from Edugate/develop

extend registration form
Merge pull request #85 from Edugate/develop

multi fedvalidators support
Merge pull request #86 from Edugate/develop

bug fixes
Merge branch 'develop' into 1.x-stable
fix importer
it didn't overwrite contacts