ace: style fixes for highlights
URL>>extension
support for module names in SCB location pane && lively.ide.browse works on
open browsers as well
ace: removing ace css before lib load
ace: fixing how ace attributes are serialized, serializing font size
SCB run test command works for test classes
SCB browser keyboard shortcuts for switching panes

Conflicts:
	core/lively/ide/BrowserFramework.js
add #serializeExpr to URL
#buildSpec uses #serializeExpr and real functions
towards a visitor-like buildSpec
cleaning up
making window switcher compatible with changed buildSpec
towards buildSpec for attributeConnections
comments rule the world!
buildSpec recreates morphic hierarchy and connections
Button>>ensureLabel
making buildSpec creation and morph construction more stable

tested for boxes, buttons, lists, texts
windowSwotcher don't forwards window when changing selection without accepting
buildSpec fixes for code editor
module dependency fix