AEDebugging_ Improve Browser opening

SQUASHED: AUTO-COMMIT-src-client-lively.js,AUTO-COMMIT-src-client-reactive-active-expression-rewriting-active-expression-rewriting.js,AUTO-COMMIT-src-components-widgets-lively-code-mirror.html,AUTO-COMMIT-src-components-widgets-lively-code-mirror.js,AUTO-COMMIT-src-components-widgets-lively-menu.html,

Author: Markus-Brand