add cache bust for css

Merge pull request #9 from casl-project/2.5

additional updates for aaai 2021 etc

Merge pull request #8 from casl-project/2.5

Adding KDD 2020 tutorial to updates

Merge pull request #6 from casl-project/v2.4

Adding pytorch ecosystem adaptdl update

Merge pull request #7 from casl-project/v2.4

Add pytorch asset for updates

Merge pull request #5 from casl-project/v2.3

changing the updates order

Merge pull request #4 from casl-project/version-2.2

Adding new update for AAAI 2021 turoial

Merge pull request #3 from casl-project/version-2.1

Small updates

Merge pull request #2 from casl-project/version-2.0

Version 2.0 of CASL project website

update taglines, add blurb