Included class, added array with user information and add istance of links and categories

Inserted here the user information array, link istance and category
istance.
remove include of category and link and array with user information

fixed some thing
Order category by label
added space
added space
Added getLinkById and updatePriv8Link, modified functions

Added function to get a link by his id.
Added function to update a priv8 status
Modified function's name
added space
added some style stuff

changed background and tables
remove class included and array with user information
remove class included and user information and modified rows and tables
Added possibility to modify an link

When insert a right pass you can choose a link to modify.
When you choose you can edit url, name, status priv8 and category.
remove included class and user information