implement internal JS functions, other fixes
add simple node server (TODO remove unneeded files)
misc changes
add JS model and results cache
add results_cache for building a dep tree
added template fns in results-cache script. TODO bring dep tree back
build a deptree using treemodel
WORKING simple ster_res_if model & interface
working UI dep tree model, adjusts deptree for changes. TODO variations
setVariable now takes a template Object as opposed to varName etc.
to facilitate variations
initial variations experiments (!)