update version to 2.1.0

update requriements

Merge pull request UKPLab#1018 from sadakmed/patch-2

Update README.md

bump version to 1.2.0

remove resize code from prev. trained model - Did not work with all m…

…odel types

Bump version to 1.0.4

Bugfix UKPLab#825 - Update paraphrase_mining

Add Image Clustering and Image Duplicate Detection examples

add colab link

Merge branch 'dev-0.4.1'