Added missing actions in todos docs 
Added missing actions in todos docs 

- Added unmergeable action
- Added directly_addressed action
jirutka/gitlabhq,axilleas/gitlabhq,axilleas/gitlabhq,stoplightio/gitlabhq,stoplightio/gitlabhq,mmkassem/gitlabhq,jirutka/gitlabhq,dreampet/gitlab,stoplightio/gitlabhq,iiet/iiet-git,mmkassem/gitlabhq,iiet/iiet-git,mmkassem/gitlabhq,axilleas/gitlabhq,dreampet/gitlab,iiet/iiet-git,mmkassem/gitlabhq,dreampet/gitlab,dreampet/gitlab,jirutka/gitlabhq,jirutka/gitlabhq,stoplightio/gitlabhq,axilleas/gitlabhq,iiet/iiet-git