Creating the reply feature
Showing unread messages in inbox.
Removing redundant line from create_post() view.
Merge branch 'develop' of https://github.com/ImaginationForPeople/assembl into develop

Conflicts:
	assembl/views/api/post.py
Merge branch 'wip_send_message' into develop
Changing the default collapsed flag for messageList
TDM now is expanded by default
Fixing create_post() view.
No `id` needed for Synthesis cornice service.
Merge branch 'develop' of https://github.com/ImaginationForPeople/assembl into develop
Fixing the dropdown list mouseleave event
When clicking on an idea, it shows the messages related
Changing the default state of the collapse/expand button for idealist
Fixing add image as child
Adding the reply url in message thread
Accessing the synthesis through discussion in save_synthesis view
Merge branch 'develop' of https://github.com/ImaginationForPeople/assembl into develop
Rounded corner to the avatar
Instantiating synthesis outside of transaction in save_synthesis
Merge branch 'develop' of https://github.com/ImaginationForPeople/assembl into develop