Update test fixtures, partial backport of 248cad83

fixes #2728 - POST /api/hostgroups does not accept ancestry
(cherry picked from commit 5f7b64bd2d70057b752c9a6e171e4d5a11a1348f)

fixes #2602 - scoped_search error when using postgresql
(cherry picked from commit 93ce3a18eea3bd04b09dc7b55a5c513f973736f5)

fixes #2539 - added API puppetrun access permission and test
(cherry picked from commit 0fda4cf6098f491f067a00a7547e703e8632f035)

fixes #2553 let setting admin attribute on user creation
(cherry picked from commit 7fab6ba6c7e6085bee5149953aa52a59d83e62f4)

fixes #2550 Puppetclass search_by_host doesn't return all classes for an unknown host

Tests for puppetclass API searches on nonexistent hosts

Puppetclass search_by_host does not fail if Host does not belong to any Hostgroup

Puppetclass search_by_host query looks for distinct puppetclasses instead of pruning them afterwards...

refs #2400 clean up tests so there are no orphaned foreign keys

fixes #2378 - added Minitest and other code cleanups

upgrade foreman to rails 3.2.13

This commit updates from rails 3.0.x to 3.2.x, main changes include:

• Asset pipline support
• cleanup of existing assets (javascript, css, images)

Users who uses foreman in production, make sure that you now compile
your assets, e.g...

fixes #2250 API v2 add/remove puppetclasses from hosts and hostgroups