3.0 pre 2 Builtin JS classes and @accessor tag

• Documentation for built-in JavaScript classes like Object, Array and String. Activated with --builtin-classes option.
• Support for @accessor tag for use inside config: {} section to auto-generate docs for getters-setters.
• Support for @template tag for marking up template methods.
• Showing author and docauthor information, plus experimental --meta-tags option for supporting several more.
• Experimental --ext-namespace option
• The --json export no more creates source dir, only one dir with .json files describing the classes.
• Show ptype and ftype in addition to xtype in class header.
• Show short version of --help by default and long only if --help=full.
• Tabs drop-down menu with close-all-tabs button always visible.
• Fix handling of static members. Statics are now also searchable.
• Fixes for handling of paths under Windows.
• Several other minor fixes.