fixes #2656 error connecting to vsphere after upgrade to ruby 1.9.3
(cherry picked from commit 617ee75f8c0f8d239564f3fd48d92a2d772eeb8b)

fixes #2639 After creating user with empty e-mail it becomes impossible to add it.
(cherry picked from commit 802ae177dc9d35c3fc3889fa34b24e7f32001eb8)

fixes #2669 username first name and last name doesn't accept i18n characters
(cherry picked from commit aa925f8009b7024dbb77c797d95c14b2e725a1d7)

fixes #2646 Asset icon URLs are incorrect when under a different base URL
(cherry picked from commit 1546388e9c82f6382be1ec35738489e8c9458c69)

refresh locales

fixes #2670 - fix apostrophe quoting issue
(cherry picked from commit 4298bd841c3fb2b3f639f06d4cbbb3901f56ec06)
(cherry picked from commit be36bef41104ff5ca26cfb36818bdc1cbc7f5b15)

Fixes #2667 - Don't save during process_hostgroup
(cherry picked from commit b751fea393439dc653e90d2aa9d06b4015797c9f)

fixes #2583 - error message is now properly i18n-ed
(cherry picked from commit 8f3d76af2aa55d486b2d52558aa91e2d62cafbe3)

Fixes #2640 - use relative user logout path
(cherry picked from commit 1ff6a50c16ef6e8bf8b1aa709ec2f8769ba70d79)

fixes #2663 javascript errors on the host form
(cherry picked from commit d592994bf9554dcbffbbc3895e76d5646f4739fb)