gists
fix notebook parts
use language names not cell type names
commit artifacts
read notebook/gist
share becomes view, works with notebooks
remove double printing of the title
insert/modify/delete cells of notebook
Merge remote-tracking branch 'origin/gist-notebooks' into gist-notebooks
remove dead code involving loading/saving files
remove more file crud
make config file more descriptive; use gist description in tree view
rename in gist as save content plus possible erase

to allow multi-language chained renames within the gist
don't fresh_start if make fails
dead debug code
better multi-cell update functionality
fix remove cell update of notebook html view from notebook model
remove various references to "filename" in favor of notebook or gist
show description not gistname
load_notebook callback takes gist content
url for ace.js
new notebook; no more files

doesn't quite work yet
removed last references to "files"
editor has persistent config (hidden property - reworked as "object")
new/create/load notebooks feed result back into tree view
use last commit time in tree view