URL Parameters added

Change-Id: Ibecbc5fd16795b621fe0d2b01d475c24232ae250

I added the option for the following URL Parameters which can be used alone or in combination
Page : Direct access to each tab. Value to be the name of the tab as shown in the UI
Center : The lat,lng coordinates to use to center the map on initial display
Zoom : The zoom factor (as defined by the Google Map API) to use for the map on initial display