Fix #618, do not handle click in output area
set up for adding imports to GroovyShell
Fix #631, add key binding for cell move up/down/hide/delete
add imports to the plugin, including star imports.  remove the imports from the charting tut.
make the imports needed by charts the default for all groovy plugin instances
Revert f773744, ignore bg click when click inside code-cell-output
Merge pull request #636 from twosigma/spot/627

Add default imports to groovy
keep focus after a cell moves
Add new keyborad shortcuts to the keyboard shortcuts list page
Merge pull request #632 from twosigma/alee/fix-618

Fix #618, do not handle click in output area
Merge pull request #635 from twosigma/alee/fix-631

Fix #631, add key binding for cell move up/down/hide/delete
Lock selenium-webdriver
Space out html output

fixes #586