Support hierarchy in views.py list_scripts() json
scripts menu supports multi-levels on click
Syling improvements to scripts menu
Close scripts menu when script is launched
Remove menulist transitions from Chrome/Safari
Remove caps of script names. .py -> ...
lowercase 'back'
Removing 'omero' -> OMERO in scripts menu
Merge pull request #1587 from will-moore/scripts_menu_11434_develop

Scripts menu 11434 develop