Make Welcome screen text not selectable
Edit menu items implemented(cut, copy, paste is based on mini-code-edit
sample)
Fix for file changed status(do not show file modified is it's clean, for
example when user types "a" and hit undo, it should show that file is
not modified).
Project Options: do not open if not project is open
RunProject: preliminary clean command
Fix for theme watching(fix path to css on reload)