fix typo
update libertree-model (message deletion)
repair message creation
update libertree-model (message deletion fix)
add link for message deletion
async message deletion on index view
message UI: fix tab indices
float message delete links to the right
stop textarea backup on message submission
fix: notification for comments on own posts
fixup previous commit
add (experimental) support for LDAP authentication
add support for more convenient post URLs

/p/:username/:post_id-plus-optional-string redirects to
/posts/show/:post_id now if :username is a local user and the author of
the post with id :post_id.
always initialise auth type and settings
Merge branch 'master' into fix-clearance-of-notifications-when-clicking-links