Bug Fixes in the scheduler module

List of Fixes pushed with this request 
1. Drag of time slot feature in the scheduler ( Time Line )
2. Added proper behaviour of resizing of time slot ( Time Line )
3. Fixed the bug which was allowing to expand the time slot behind the current time orange marker ( Time Line )
4. Alignment fixture in the header bar ( all the components are now vertically centrally aligned )
5 Fixed the issue due to which the current selected month was not highlighted  ( Calendar UI )
6 Fixed the fluctuation in the Bottom TEXT section on changing the months in the calendar 
7 Fixed the alignment, fonts and style of the lower text section according to the design shared on Dropbox (https://www.dropbox.com/s/wtcwouqdwg6td7r/PROVIDER_Scheduler092314.psd?dl=0)