No Glow assets + fixups for (LP: #933578)
This includes replacements assets for:
Pips + arrows
Dash search box and search box status icons
Dash edge background (transparent)
Dash edge background (non-transparent)
With associated code changes:
Removal of blurRadius except for background itself
Background tiling phase realignment for transparent background. Fixes: https://bugs.launchpad.net/bugs/933578. Approved by Gerry Boland, Xi Zhu.