Changes:
Link path correction
Card online_runtime_157

Provide PostgreSQL 9.2 via SCL for RHEL

- Rename $OPENSHIFT_POSTGRES_VERSION to $OPENSHIFT_POSTGRESQL_VERSION
  for consistency
- Bump cartridge version to 0.3.0.
- Tweak rhcsh for 9.2-compatibility
- Internal changes in openshift-origin-cartridge-postgresql.spec
Update $OPENSHIFT_POSTGRES_VERSION for existing cartridges
No need for Ruby SCL here.
Remove Online specific references:
-Remove hard-coded cart name references.
-Remove login validations from CloudUser model, login validation must be done by authentication plugin.
-Remove 'medium' gear size references
-All 'small' gear size references must be from configuration files.
-Remove stale application_observer.rb and its references
-Remove stale 'abstract' cart references
-Remove duplicate code from rest controllers
-Move all get_rest_{user,domain,app,cart} methods in RestModelHelper module.
-Cleanup unnecessary TODO/FIXME comments in broker.
Merge pull request #2945 from pravisankar/dev/ravi/card7

Merged by openshift-bot
Add gear-level upgrade extensions
Merge pull request #2973 from pmorie/dev/upgrades

Merged by openshift-bot
Merge pull request #2966 from sg00dwin/701dev

Merged by openshift-bot
Match up "Provides" with what's overridden
There is no Group-Overrides needed
Conflicts: is obsolete.
Merge pull request #2925 from BanzaiMan/dev/hasari/c157

Merged by openshift-bot