Merge pull request #13 from ehunter-usgs/EQH-2626

Update Coordinate Control
Integrated ConfidenceCalculator
Renamed toggle, enable, disable, methods
Added marker to display current location, stop tracking previous location
Removed marker from PointControlUITest
Removed map parameter from event handler methods
Updated input method, removed accuracy location property
Updated point control tests
Updated PointControl to use icon sprite
Switched baselayer to arcgis service
Pass anonymous array to marker constructor
Removed redundant || null
Clear popup content when location is null
No location/no-location distinction, marker is distinction
remove event handler method parameters
Remove -nolocation class from js and css
changed search button from a tag to button and set up styles
Merge pull request #16 from jdbrown-USGS/EQH-2627

changed search button from a tag to button and set up styles
Merge pull request #14 from jmfee-usgs/point-control-updates

Point control updates
Changed all examples/ui-tests to use the ESRI online map tiles.