undelete actions in routing and controller

updates on twig

modified threads_list

 try to fix the formatting changes

try to fix the formatting changes

fixed an extra space

removed delete method

readded docs

hmm bad at english

cs

cs

cs

lol

added new  line to end of file

updated tabs in threads list

updates

added function

small updates
Merge pull request #177 from Miliooo/undeletecontroller

hide delete actions if not authorised, toggle between delete and undelete