updating of stars in the fast update path

fetching stars for interests the other user doesn't know about (!)

Merge branch 'hotfix/update-li-stars'
update cell divs with notebook filenames

for #302
release notes
Uses recommended HTTPS location for MathJax. Closes #309
more release notes
more performance fixes. No text-to-html-element generation in jqtree or rcloud. quite a bit snappier than before.
move features which aren't in master to next version
announcement of fixes
capitalization
remove rcloud.support features from NEWS which aren't there yet
Merge branch 'develop' of https://github.com/att/rcloud into develop
progress bar for upload. Closes #182
Merge branch 'enhancement-progress-bar-182' into develop
fix tagging in rcloud.stash.notebook
update NEWS
port 4dd6e5f from develop
add progress bar to upload_to_notebook as well. more fixes to #182
Mitigate possible regression on #309 and #183 by loading MathJax at bottom of body
use html5 history api to update url

but it crashes if you press back/forward too quickly
closes #197, #250, #305
artifacts