Added ability to parse query and fragment argument from media URI. Set valid items in VO for Fragments and store query args as key value objects in array.  

Currently implemented #s= for startup time manipulation only for VOD not live.
cleaned up code in timeline converter for start time change
Fix for enhancement "Seek Immediately #173"-  Still working on the live value.  Works as expected for VOD.
Added code to check for valid range on explicit user defined start time. 
Added calculation to figure out presentation time based of UTC time.
Added missing "use strict"; back into code.