upload avatar
conversation and unread messages
Update database.yml
Import swagger-docs gem
complete messaging system
Merge branch 'messagin_tool' of github.com:worldintime/IceBreakerTest into messagin_tool
add method for test push notification
update certificates
Resolve merge conflicts
update dev certificate
switch to postgresql DB; update test data
return db user pwd
Merge pull request #1 from worldintime/switch_to_pg

switch to postgresql DB; update test data
Cover current API by swagger documentation
Resolve merge conflicts
synchronized with mobile
merged with master
Merge branch 'canned_statement' into staging
syntax alignment
Fix swagger configuration