refactored addLayer as discussed in code review
figured out how to have flowlines off by default and redraw on visibility toggle
use geojson rather than html freature request
buffer the click point to return site info when zoomed in - note that 30 seems to be the largets accepted value
completed site info
upgraded jquery, create test webapp which included openlayers for testing, refactored the filtering to be more framework like (this should make it easier but we shall see), and created a test html file to test all these things, migrated all util functions to own js file
applyFilter and filter link to layers implemented
clear all filters and warnings
moved filter api code to its on file, incorporated new filter api into app,
removed legacy filter.jsp and redunant js inclued
merge resolution