Create a separate appearance for grid-row-overlay
Always use same element for grid-row-overlay
Call GridRow#_renderOverlay even if item is not selected
Call GridRow#_renderOverlay even if grid has full selection
Render overlay for full selection if possible

Trees without FULL_SELECTION flag currently have no hover effect
Allow rgba function for all color properties
Write colors to theme store as rgba array

Client not changed, will crash on startup
Convert rgba arrays to hex strings in theme store
Fix red javascript tests
Add getAlpha for colors to theme store
Enable opacity rendering for grid row overlay
Fix red js tests in GridRowTest for IE 7/8
Fix hover effect on non FULL_SELECTION trees
Change p2 category name to Remote Application Platform

Bug 399245 - "Rich Ajax Platform" is still in use as group name
https://bugs.eclipse.org/bugs/show_bug.cgi?id=399245
Change remaining left-overs to Remote Application Platform

Bug 399245 - "Rich Ajax Platform" is still in use as group name
https://bugs.eclipse.org/bugs/show_bug.cgi?id=399245
Always render overlay background as element

Gradient & image temporarily not supported for overlay
Enable gradient for overlay element (CSS3 only)
Refactor GridRow to simplify overlay rendering
Create GC for overlay rendering if needed
Gradients in overlay are drawn in SVG/VML if no CSS3 support