fix some displaying bugs

create List object and methods
implement basic rename function

Conflicts:
	UNGProject/js/tools.js

jquery's username and pasword is broken. Fixed everything related to $.ajax. Now we can Auth on GET. Make sure you have <LimitExcept OPTION>require valid-user</LimitExcept> in your Dav .htaccess

Conflicts:
	UNGProject/js/tools.js
	UNGProject/theme.html

Just specify the test document URL at one place: theme.html
Specify the authorization credentials in tools.js:saveXHR

move xhr functions to jio.js

implements save/load from local document

Conflicts:
	UNGProject/js/theme.js

fix Object.prototype issue
implement dialog box for document settings
create class JSONSheetDocument

implement language change