rhbz882770 - refactor ContentCriterion to make it more readible
treat empty search consistently in history
add search field suggestions script
add QueryParser gwt class
update search context using query parsing function
use latest version of assets
adjust styles for editor search containers
add EditorSearchField
add SearchTextBox to allow placeholder and autocomplete attributes
WIP-STAGE working on editor behaviour
may be pointless: prevent enter events propagating from search
ensure appropriate context activation when searching