fix ./dev create-barclamp

Fix a syntax error, and stop 1.9.3 spewing warnings about using
class variables from the top level.
Removed outdated sass related stuff
Create database for ActiveRecordStore session store

For both pebbles and roxy branches.
Merge pull request #1960 from aspiers/fix/dev-create-bc

Several +1 and got smoketested => merging.
Merge pull request #1863 from saschpe/master-sessionstore

This is pebbles & roxy only, and we shipped this for quite some time => merging.
Merge pull request #1962 from tboerger/feature/remove-sass

Removed outdated sass merging
Fix early script abort

migrate/ is a directory, rm -f does not work on it unless
it would be empty (which it isn't)
Merge pull request #1970 from dirkmueller/master

Fix early script abort
Complete previous fix (7afd4aac)

There were other places where we had the bug.
Merge pull request #1971 from vuntz/master

Complete previous fix (7afd4aac)
Install ceph barclamp before glance

The ceph cookbook will be a dependency of the glance one.
Merge pull request #1973 from vuntz/move-ceph

Install ceph barclamp before glance
install-chef-suse: add missing dependencies when using --from-git
Merge pull request #1975 from rhafer/fix/install-chef-suse-from-git

install-chef-suse: add missing dependencies when using --from-git
Force openstack-os-build for CB 2.0 to use the hydrogen set of openstack barclamps
Restrict bundler version to 1.3.x for now.  This works around a bug with bundler 1.5.1 and rubygems on Ubuntu