RR: show shared users list in project settings
RR: add project update route
RR: move roles snippet to shared namespace
RR: use shared roles selec on project settings page
RR: api functionality for project share
RR: project share view functionality
PLD: set back to project page for now
PLD: remove extra share button
Merge pull request #213 from onaio/178-project-settings-functionality

Project settings functionality