updating username to user
Merge pull request #539 from continuuity/feature/fix-google-user-default

updating username to user
adding google-api-client gem with same requirements as fog
Merge pull request #540 from continuuity/feature/google-api-gem

adding google-api-client gem with same requirements as fog
adding a required gem to readme and make the script only set
workers during initialization instead of on every start up.
more detailed message in readme.
Merge pull request #541 from continuuity/feature/standalone-tweaks

Feature/standalone tweaks
fail with nicer error in case of google quota exceeded
Merge pull request #545 from continuuity/feature/google-quota-failure

fail with nicer error in case of google quota exceeded
Always exit 0, even if last if does not match
update the mongodb template to use 'mongodb' as the service all
the time since its 'mongodb' on ubuntu but 'mongod' on rhel.
Merge pull request #548 from continuuity/feature/load-bundled-data-fix

Always exit 0, even if last if does not match
Merge pull request #549 from continuuity/feature/mongodb-on-centos

update the mongodb template to use 'mongodb' as the service all
Initial ngui.sh
Add logrotate file and init script
Add ngui to package
Convert UI start to a function and support LOOM_USE_NGUI to control it. Fixes #537
Do not run install at start
Add ability to disable UI for development, as requested by @gaarf
Adding a help message to the mock provisioner and an option for
having it occasionally fail a task. Also fixing a bug where the
load data scripts cause the overall standalone script to exit.