Added filter to select language of team members to send message to
Fixes issues in message filtering:\nIgnore message author when querrying team languages\nDisable language selector if messaging single user
Do not filter languages, display all of them
Fixing issues with no language selected for issue #831
selenium tests for the team messaging functionality
improve implementation of language list retrieval, as part of issue #831
Merge branch 'gh-831' of github.com:pculture/unisubs into gh-831
Merge pull request #1405 from pculture/gh-831

Gh 831