Genepattern-notebook

* Bug fix release for low-numbered LSIDs

* New "Send From Upstream File" widget
* Bug fixes

* Support for signing into multiple GenePattern servers at the same time
* Integration with [NBTools](https://github.com/genepattern/nbtool-manager)
* Refactored code to Jupyter's latest standards
* Better Python variable support
* Removed deprecated !AUTOEXEC flags

- Style updated for Jupyter Notebook 0.4.3
- Reload Task Form renamed to Duplicate Analysis
- GenePattern link added to help menu
- Job launching now more in line with Jupyter standards
- GenePattern Broad server removed from default list
- Revision of widget buttons
- Bug fixes

- Important bug fix

- Updates for genepattern-python 1.2.2 dependency
- Added "Send to DataFrame" option for ODF files
- Added beta version of the new CallWidget
- Added support Python variable input in GenePattern widgets
- Bug fixes