started implementing cell option dialog
Merge remote-tracking branch 'origin/master' into ildipo/celloptions
Merge remote-tracking branch 'origin/master' into ildipo/celloptions
First draft of code cell option panel
User can now tag cells and execute tagged cells from javascript
Merge remote-tracking branch 'origin/master' into ildipo/celloptions
minor cosmetic change to cell option dialog
Merge remote-tracking branch 'origin/master' into ildipo/celloptions
Merge remote-tracking branch 'origin/master' into ildipo/celloptions
Reworked evaluator loading and shell creation.
Fixed a possible "stuck" loader in ipython plugins
JavaScript async execution: language plugin recognizes deferred and
promises returned and waits accordingly for their termination.
More work on evaluator manager to properly handle group and code
evaluations.
Added progress reporting to JavaScript plugin.
Fix cell rename.
Removed debugging output.
Fixed code formatting.
Fixed re-opening existing session.
Before closing an evaluator shell try to cancel current executing
function (if any)
properly wake up cell waiting for evaluator loading
Merge pull request #936 from twosigma/ildipo/celloptions

Ildipo/celloptions
Added executor service classes
Java now cancels operations exactly like groovy
Merge remote-tracking branch 'origin/master' into ildipo/jvmcancel