Created BlueRequestTimeOff class to handle the 'Request Time Off' Page
Updated Request Time off Modal fields
Test Files for time off request
New class ManageEmployee Modal added to handle updates to employee
general info. New Test added to test modal
Code cleanup. Added stub files for other modals
Updated Xpaths in BlueTimeOff
Adding BaseTest which acts as a template for new tests to be made
quickly. 
Template Classes for Modals added