Fix jshint errors
Update the README to point to the new documentation
Changes and fixes to the vagrant provision.sh script

- Make the script less verbose
- Run under bash rather than sh for cross-platform consistency
- Update install methods to match install docs

Fixes #342
Update popit-api to latest version

This includes the fix for deleting memberships when an object is
deleted.
Merge branch 'vagrant-fixes'
Merge branch 'readme-updates'
Update README.md
Make project name consistent
Change the list of instances on homepage
Fix typo
Merge remote-tracking branch 'henare/patch-1'
make toolbar save button work on edit instance about page

and hide the other save button to make the interface consistent

Fixes #444