Change style of coated file field
Add existing contacts in add contact and do not allow to create more duplicate data
Merge pull request #336 from CruGlobal/MH-909

Add existing contacts in add contact and do not allow to create more dup...
Merge pull request #337 from CruGlobal/MH-966

Change style of coated file field
Simplify change and remove avatar links
Enhance navigation appearance
Enable bulk_email and bulk_sms actions on APIv3 people endpoint
Implement limit frequency
Add some test
Add messages endpoint to APIv3