indented and breakable generated code
re-merge sexpr improvements & fix vector 'parsing'

my pull request didn't go through; also the rserve vector processing code
seemed to be out of sync with the latest (not reaching deep enough into
r_objects)
improvements to fresh_start

RServe executable name changed
build dependencies lib as well
Merge branch 'more-dc-improvements' into remerge-sexprs
interpret object in chart desc as hash
latest underscore.js
some fixes to tagged lists