Merge pull request microsoft#228 from microsoft/dev Regenerate clients for M153

Merge pull request microsoft#223 from microsoft/dev Regen 5.1 clients for M152

Merge pull request microsoft#221 from microsoft/dev 5.0.0b7 - fix issue where some headers weren't getting set on request and other minor fixes.

Merge pull request microsoft#216 from microsoft/dev M151 clients and other minor fixes

Merge pull request microsoft#207 from Microsoft/dev regen 5.1 from M150

Merge pull request microsoft#200 from Microsoft/dev M149

Merge pull request microsoft#191 from Microsoft/dev M149 Update

Merge pull request microsoft#182 from Microsoft/users/tedchamb/dev5 fix path casing for NuGet client

Merge pull request microsoft#183 from Microsoft/dev 5.0.0b2 fix directory and filename casing in NuGet client.

Merge pull request microsoft#179 from Microsoft/dev 5.0 APIs plus refactor