Change: Optimization of javascript files to inprove loading

Fixed: Issue with login from Safari browser

Added: ability to upload documents into contact folders from the toggle checkbox feature

Fixed: Issue with copying attachments from the email dialog

Fixed: Issue with copying emails to Unicentric folders

Added: ability to link a new user to an existing contact in the system

Changed: date select control

Fixed: issue where message didnt display after saving a timesheet

Changed: date select control

Changed: The filter on all billing pages. Should be much better than before.

Changed: UI layout, and  documentation.

Fixed: issue where clicking on name was not taking to the correct contact