removed invalid maker content __(
new invalid markers after extraction
fixed test fail in participant model
user level access to separate message delivery status
changed from using dialogues to userlevel
removed  from model
added session to the appController
code clean up
fix default.pot headers
refactor the code
Merge branch 'feature/separate_message_delivery_column_userlevel_view' of https://github.com/texttochange/vusion-frontend into feature/localization_exacting_bug
removed the double quotes
Merge branch 'feature/localization_exacting_bug' of https://github.com/texttochange/vusion-frontend into feature/localization_exacting_bug
fixed test failure
renaming
add the single quotes to phone
Merge branch 'feature/localization_exacting_bug' into develop