Preparations for next release.

Merge branch 'master' into development

Merge branch 'development'

Merge branch 'development'

Merge remote-tracking branch 'origin/development' into master.

Preparations for release 2.14.

Preparing to update the latest release with small but important fixes.

Creating release 2.12.0

Creating tag for release 2.11.

Merge branch 'master' of https://github.com/accord-net/framework