[#61699116] Modify data structure in plan detail attendants page.
[#61699126] Modify data structure in plan comments page.
[#61699136] Add available/unavailable buttons in scheduling page.
[#61699136] Modify datepicker and add order by to the list.
[#61699136] Finish implementing datepicker.
Add pyramid_appengine backend.
Modify Gruntfile to reload pyramid supervisor.
Add grunt-string-replace task to replace remote server base url.
Connect to facebook via OAuth and get its user data.
Add twitter login.