Slider bar works. Show current location.
For hongxia
Update when dragging and zooming.
Modifed URLs as well as VIVIEWS
implemented applyLocatioionData function
modified some explanation
added applyLocationReg function
allow applyLocationData function to ignore hour and minute info in ts object
make fake-data-generator more robust, allow specifying timespan
Demo Ready
makes server API calls more robust by introducing /searchexp/
fixed a merge bug on Views.py about searchexp
fixed bug in map.html