* Added some new types/methods.
context.isFullScreen?
microsoftteams.getTabInstances
as well as the TabInstance and TabInformation interfaces
* add the teamType type
* Update to remove unnecessary/incorrect comment.
* Update Microsoft Teams's index.d.ts to match current spec.
index.d.ts modified by copying the output of the microsoft-teams-library-js resultant .d.ts file
* Increase the version number in the header of the index.d.ts
* Fixed tslint error