updated to Play 2.3.5
optimized imports + format code
updated fixtures
updated embedded mongo to 2.6.5
updated sbt to 0.13.6
refactored model updates (PUT), delete values on empty string
fix race condition in tests
added PUT conversation, send IdentityUpdate event to all contacts on key deletion
updated sbt-lauch.jar
added call to return messages only from conversation
add route for desktop client
adjusted authentication tests
added third party licences to readme
updated readme
some project cleanup, updated to scala 2.11.3
Added special notification messages for unencrypted files
fixed syntax error
allow username with "." and "_", reduced min size to 3
do not sealize tokens on get Identity
only get contacts when neccessary