change 'chatter' to 'q&a'
Merge branch 'issue833'

Closes: https://openhatch.org/bugs/issue833
added a 'see wiki for instructions' link under page header
Updated javascript to retrun #wanna_help instead of the whole page. Got rid of the code to render people-to-show list as it is now taken care of by the javascript.
indentation fixed in project.html
Fixed indentation in project.html (tab vs spaces
Merge pull request #98 from rajeshpradhan/wannahelp-js

These changes simplify the code for the "I want to help" button, both on the JS side and on the Python side.
'De-list me' button added to the helpers list and the icon is removed from top
Merge branch 'issue750'

Closes: https://openhatch.org/bugs/issue750
change 'Edit' to 'Edit project settings' in 'About' pane
Merge branch 'bugfix/issue832'

Closes: http://openhatch.org/bugs/issue832

Thanks to Flora!
Fixed upload button displacement when there is error message in training mission.
Upload button position fixed in case of error message
Merge pull request #100 from rajeshpradhan/missionfileupload

Fix CSS so that buttons look more reasonable
Renamed controllers to view_helpers in Account, Base, Project, Profile and Search
Replaced controllers with view_helpers
Add missing module import
Move unicodify_strings_when_inputted into mysite/base/unicode_sanity.py
replaced controllers with view_helpers in missions app
view_helpers.py added in missions app