VM Sizes merge with Azure/dev#152

Merged

markcowl merged 6 commits intoAzure:devfrom

nemanja88:newdev

Feb 10, 2015

Commits on Feb 3, 2015

Powershell changes to allow specifying VM sizes
nemanja88
committed

Commits on Feb 4, 2015

Fixing the Endpoint parameter issue
nemanja88
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Commits on Feb 6, 2015

Merged with Spark related changes. Using private nuget sdk drop.
nemanja88
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Chaging the hdinsight project to use the public nuget SDK release 1.4.5
nemanja88
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Commits on Feb 7, 2015

Pull and resolve conflicts
nemanja88
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Commits on Feb 9, 2015

Merge from azure/dev
nemanja88
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