fix for issue #365
FK: add foreigner to Gemfile
add foreign keys for catalog_entries
add foreign keys for catalogs
add foreign keys to deployables
add foreign keys for deployments
add foreign keys for hardware_profiles
fix provider controller tests to prevent referencial integrity breaking
add foreign keys for pools
add foreign keys for pool_families
add foreign keys for pool_families_provider_accounts
fixing habtm between provider_accounts and pool families
and fixing an api test
fix lately added tests that break on the FK constraints
add Gemfile.lock with foreigner
Merge pull request #339 from martinpovolny/fk2

add foreign keys to the database part one
Bump version in Makefile
Bump version in Makefile
Merge pull request #377 from martinpovolny/cost-strategy-fix

fix for issue #365
Added snapshot support for image build&push

Now user can set in config/settings.yml file for if she wants use
snasphot mode for providers for which imagefactory supports snapshots.
Currently these are: ec2, openstack, mock

This patch also removes the old annoying restriction when provider name
was used for finding realm on imagefactory side.

Fixes #276
Merge pull request #378 from jprovaznik/snapshot1

Added snapshot support for image build&push
remove all foreign keys until rails is fixed
https://github.com/rails/rails/pull/8548
Merge pull request #391 from martinpovolny/revert-fks

remove all foreign keys until rails is fixed