- removed most static content from scrigo

- Included new icons and buttons
- Layout scaling improved (up to 1260px width)

Fixed: password match function blocked tabs incorrectly
Fixed: set focus on username input field threw an error if this field did not exist on a page

Fixed: Some templates used changeTab in a way that was not compatible with the new options to discard changes on changeTab

Moved old default theme to themes/default-304