Merge pull request #2554 from yugangw-msft/deleteresult

Delete *.trx file before invoke mstest
Commands.SqlDatabase: Have SQL cmdlets inherit from CmdletBase so that they properly set HttpRestCallLogger.CurrentCmdlet.
Commands.SqlDatabase: Have SQL cmdlets inherit from CmdletBase so that they properly set HttpRestCallLogger.CurrentCmdlet.
Commands.SqlDatabase: Fix a bug where several cmdlets weren't adding tracing headers.
Commands.SqlDatabase: Fix a bug where several cmdlets weren't adding tracing headers.
Merge pull request #2555 from dlem/dev

Fix a NullReferenceException in the SQL cmdlets and add missing tracing headers.
Merge pull request #2555 from dlem/dev

Fix a NullReferenceException in the SQL cmdlets and add missing tracing headers.
Extra Commands.Profile from Commands project
Extra Commands.Profile from Commands project
Extract Commands.Profile from Commands project
Extract Commands.Profile from Commands project
Merge branch 's1' of github.com:ogail/azure-sdk-tools into s1

Conflicts:
	WindowsAzurePowershell/setup/azurecmdfiles.wxi
	WindowsAzurePowershell/src/Commands.Profile/Commands.Profile.csproj
	WindowsAzurePowershell/src/Commands.Utilities/Azure.psd1
	WindowsAzurePowershell/src/Commands/PostBuild.bat
Merge branch 's1' of github.com:ogail/azure-sdk-tools into s1

Conflicts:
	WindowsAzurePowershell/setup/azurecmdfiles.wxi
	WindowsAzurePowershell/src/Commands.Profile/Commands.Profile.csproj
	WindowsAzurePowershell/src/Commands.Utilities/Azure.psd1
	WindowsAzurePowershell/src/Commands/PostBuild.bat
Fix build error
Fix build error
Fixes to UTs
Fixes to UTs
Regenerate MSI
Regenerate MSI
Remove unnecessary files and references