Add presentation work
AddPresentation post to speaker service
Merge branch 'develop' into feature/AddPresentation
Tests
Updated docs
Moved sessions
Tests
Merge branch 'feature/AddPresentation' of https://github.com/tekconf/tekconf into feature/AddPresentation
Fixed speaker breakage
Adding presentation works
Merged
Merge branch 'develop' into feature/AddPresentation
Merge branch 'feature/AddPresentation' into develop
Updated nuget packages
For Speakers work