Add tests and make sure nobody can upgrade his account to agent.
Add form headers to users form
Improve some styling on the users#index
Show customer same ticket table, without links
Cleanup tickets view descriptions
Fix margin of checkboxes
Update gems
Add documentation about url and email address configuration. Fixes #62.
Add --deployment to adviced bundler install command
Update parts of the README with more up-to-date info.
Fix centered login, closes #64
translations mailers
email search after 3 characters
start replacement with tinymce
migration for replacing signatures with tinymce
migrate signatures and content
replace markdown mentions with html
Fix tests
add tinymce to new ticket and reply
Remove unneeded functionality due to the switch to TinyMCE.