Fixes #6160 - don't validate images for network based provisioning

(cherry picked from commit f7b855491abbfd1737a2c7291ac4b16f8bc98017)

fixes #5566 - free text fact values query produces invalid SQL error

(cherry picked from commit b7ae68362481b2b7227fd39cf2be80bf3fc3af9f)

fixes #5848 - can't search for host with class inherited from config group

(cherry picked from commit 81f4af16ab292d340a395cd0dd37ca742d1d59cc)

fixes #6234 - fixes sorting on compute resources and subnets

(cherry picked from commit 5dd996fd87a191e1dd4cf07d20a90ed4145fdf50)

fixes #5722: VM-based host cloning picks up existing compute attributes

(cherry picked from commit f5ab56aece96864568282a30ff6f20960efee28b)

fixes #5129 - Host Group creation may fail if parameter is same name

(cherry picked from commit 691f0a1a809569d125e9385e60f8f1e1c8d88061)

fixes #4736 - organization edit ui has unselectable environment

(cherry picked from commit 9f3cad157f366904c1e145d19bf35e8cd0282cf0)

fixes #6149 - fixed XSS in host YAML view (CVE-2014-3492)

(cherry picked from commit d40f5409ac36c1eab7b8a5ccf3d91cc6db90ce70)

fixes #5881 - XSS from create/update/destroy notification boxes (CVE-2014-3491)

(cherry picked from commit 983075c0c0e95c0d4715591325e88c90c7f09d71)

i18n - extracting new, updating rails, pulling from tx