improve reporting of errors from r
partial progress on #414
migrate new stars
Merge branch 'develop' of https://github.com/att/rcloud into develop
correct syntax; log; comment
log everything

i know this is annoying but it's a best practice to log everything
so that you have a chance of reconstructing what went wrong
if something does
change some 1s to TRUE

for consistency. shouldn't make a difference since these
are only used with list or compared with NULL
Merge branch 'develop' into feature/migrate-new-stars-old-notebooks
special-case empty notebook export as R

unfortunately, this had to be fixed twice:
- once to deal with non-created file in R
- once to deal with rserve.js turning array[1] into a scalar

fixes #595
error handling for help

and modularize the help pane actions

fixes #584
clean up build and fresh_start scripts
update README
update upgrade script to use the new "script" mode
create run if not present
clean up dependencies; remove github hacks not needed anymore
cleanup dependencies
update mkdist to include SKS and (optionally) SOLR; force-downgrade evaluate
adjust bootstrap to match mkdist
fix mkdist using the wrong URL for RForge.net package availability
silence a warning in build.sh