Merge pull request microsoft#139 from Microsoft/dev 0.20.0, bump dependency of msrest to > 0.6.0

Merge pull request microsoft#139 from Microsoft/dev 0.20.0, bump dependency of msrest to > 0.6.0

Merge pull request microsoft#135 from Microsoft/dev merge 0.1.19 from dev to master

Merge pull request microsoft#128 from Microsoft/dev Fix for msrest 0.6.0 breaking change

Merge pull request microsoft#120 from Microsoft/users/tedchamb/dev fix invalid team_context property references.

Merge pull request microsoft#114 from Microsoft/dev Merge to master for 0.1.16 - fixes cache expiration issue

Merge pull request microsoft#110 from Microsoft/dev 0.1.15 - logging fixes

Merge pull request microsoft#107 from Microsoft/dev add missing __init__.py, needed to include the settings area

Merge pull request microsoft#104 from Microsoft/users/tedchamb/dev Add Settings area

Merge pull request microsoft#100 from Microsoft/dev Adding Resource Identifiers to a number of clients.