include VERSION file in the package

fix ocr notebook

Merge branch 'jenkins_release' of github.com:JohnSnowLabs/nlu into je…

…nkins_release

delete .ci folder

bump to version 5.1.5rc21

version bump

Merge remote-tracking branch 'origin/release/531' into release/531

Merge pull request #252 from JohnSnowLabs/release/515

Release/515

bump version

Merge pull request #241 from JohnSnowLabs/release/513/missing-metadat…

…a-handling

missing metadata handling