initial release of accept/reject assignment feature. also, marks database as credited.
fixted test button not appearing bug and default pay tab bug
Merge branch 'cogsci-patch' into dev

# By John McDonnell (9) and others
* cogsci-patch:
  final feature additions and bug fixes; still some kinks with spotty internet connections that needs to be smoothed over.
  Added launch_log route to launch the server log in a gui program
  Issue #30: A few tweaks for pypi distribution.
  Instructed mac users to install XCode; also instruct how to install pip.
  Regarding Issue #3, Added use_debriefing option to skip debriefing step
  Removed link to Jay's NYU files
  Trying not to be too heavy-handed with the tagline
  Removed atavistic code.
  Fixed stylesheet for consent
  Cleanup of templates, removed legacy code from experiment.py
  kicking the can down the road on the log panel
  final features and bug fixes
  fixted test button not appearing bug and default pay tab bug
  initial release of accept/reject assignment feature. also, marks database as credited.

Conflicts:
	psiturk/static_dashboard/js/app.js
disambiguated between expt and dashboard shutdown
stop front end from causing broken pipe error
enabled external logger
added use_debrief checkbox and fixed other checkbox bugs
fixed css alignment and made branding consistant
fixed aws verify icon from not binding
improved on/off toggle
Consistently refer to 'counterbalance' as 'counterbalance'
Merge Jay's latest tweak branch 'final-cogsci-patch' into dev