[general] removed whitespaces
[issue] return 404 if issue not found in showAction
[issue] added "post comment" button styling
[tests] status moved to idea/issue title
[idea][issue][status] added closing type to status
[idea] closing status: counting and freeing votes
[idea][issue] normal users cant comment on closed idea/issue
[idea] moved status after title
[idea] disable voting for closed ideas