Fix Service Dialogs sorting

https://bugzilla.redhat.com/show_bug.cgi?id=1125230
Spec/Routing/MiqAeCustomization: Added route to spec file
Class manipulation rewritten from Prototype to jQuery

Partially resolves #872, see https://github.com/ManageIQ/manageiq/issues/214#issuecomment-60060651
The miqHighlight() javascript function was wrapped into the javascript_highlight js helper.
Merge pull request #952 from jzigmund/bz1125230-sorting_service_dialogs

Fix for sorting in Service Dialogs screen
Merge pull request #907 from skateman/prototype-jquery-class-manipulation

Class manipulation rewritten from Prototype to jQuery