added separator
missing enter
Refactoring DeleteAllBehaviorOverlay and DeleteBehaviorOverlay.

Reimplementing delete behavrior overlay and delete all behavior
overlay with alert overlays.
deleted unused css directive.
Merge pull request #96 from adrifelt/separator

Visually separate "notable" and "all" history
Merge pull request #97 from p-march/new

Refactoring delete behavior overlays.
fixed conflict