use app_initialized.NotebookApp event
use app_initialized.NotebookApp event
add extension to call nbconvert from GUI
add extension to call nbconvert from GUI
use app_initialized.NotebookApp event and add Alt+PGUP/PGDOWN
Merge pull request #16 from bjanssen/master

Add hierarchical_collapse notebook extension
Merge pull request #18 from juhasch/master

Udpate extensions
Add extension to display static help information
Add hotkey info for help_panel
Add hotkey info for help_panel
Fix panel with
Add description for help_panel extension
Merge pull request #19 from juhasch/master

Add static help panel
Update README.md

Update formatting and remove out-dated information in README.md
use subprocess and dont use app_initialized trigger
Merge pull request #22 from juhasch/master

Use subprocess instead of os.system and fix README.md formatting
Remove unnecessary files.