update to latest version of libertree-model
update libertree-model
simplify and correct username linker
correct queries of recommended rivers
translate success message on adding to contact list
translate success message on adding hashtag to river
translate post/comment/message preview
translate success message for adding a spring to a river
nicer error page
post id in json response on api post creation
merge post (un)subscribe functions, move to Libertree.Posts
replace fadingAlert with bootstrap popover
move mark-read event registration to post.js
generate post like/unlike function on load, not on every event
generate comment like/unlike function on load, not on every event
prune colour definitions
use bootstrap popover instead of custom note toggle
don't render page on textarea_{save,clear}
remove outdated comments
update and correct French translation