added read in of config file
added readin of file
removed cache
rewrote introductory comments/documentation to reflect widget implementation
revised phenogrid to rely on state variable
fixed to work as per _init & _create w/jquery ui model
babystep: I created a new hashtable called config to store the configuration items.
made changes allowing height of widget to be set
refactoring progress
working on rationalizing config
remove all extraneous items from options hash and eliminate need to recopy options on reset
 cleaned up reset to avoid revisiting variables that do not need explicit reset
further cleanup and fix of config read
started cleanup of organism dependencies
 generalizing colors
fixing up modeltype
fixed problem with phenotypeDataCount after empty vis
cleaning up ajaxLoadData
cleaning up loadOverviewData
removed need for overview in targetspecieslist