fixing pip install -e

[mlhenderson]

• [x] use proper LBNL License text
• [x] use kale as package directory for developer install
  • [x] update setup.py
  • [x] update local imports
  • [x] update demo notebook
• [x] clean up Kale Demo notebook
• [x] clean up debug statements
• [x] remove unused import statements where found
• [x] set all installation dependency package versions
• [x] turn off buffering for hash echo, causes tasks to appear to fail in docker