Merge pull request #3612 from flairNLP/GH-3610-release-0.15.1

GH-3610: update Flair version numbers

Merge pull request #3579 from flairNLP/release_0.15.0

Release 0.15.0

Merge pull request #3507 from flairNLP/release-0.14.0

Bump version numbers for Flair release 0.14.0

Merge pull request #3385 from flairNLP/agnews_dataset

Add AGNews corpus

Merge pull request #3364 from flairNLP/fix_embedding_size_for_xlm_rob…

…erta

fix embedding size for xlm roberta models

Update README.md

Merge pull request #3140 from flairNLP/flair_version_12_1

Bump Flair version to 0.12.1

Merge pull request #3130 from flairNLP/models_and_tutorials

Documentation updates for Flair release 0.12

Release 0.11.3

Release 0.11.2