Updating Source Code setup instructions

The Microsoft.WindowsAzure.Management.psd1 file no longer exists in the current source

replacing with Azure.psd1
Updating SDK version.
Disposing webchannelfactory.
Merge remote-tracking branch 'upstream/dev' into dev

Conflicts:
	WindowsAzurePowershell/setup/azurecmd.wxs
	WindowsAzurePowershell/src/Management.WebSites/Services/GithubClient.cs
Fix merging issue.
Fixing another merge issue.
Making factories property private.
Merge pull request #575 from andrerod/dev

Dev
Merge branch 'dev' of https://github.com/WindowsAzure/azure-sdk-tools into dev
Merge pull request #573 from markcowl/dev

fix for issue #572
Merge branch 'dev' of https://github.com/WindowsAzure/azure-sdk-tools into dev
Merge pull request #404 from tylerd/master

Small update to README file
Fix for #567
Merge pull request #585 from WindowsAzure/dev

Release 0.6.7
Merge pull request #584 from ogail/567

Fix for #567
#580: Correctly detect repo in New-AzureWebsite -github if repo is ssh remote
#583: GetAzureWebSiteTests.GetWebsiteProcessShowTest is failing
Removing unneeded using.
Merge pull request #593 from andrerod/dev

#580: Correctly detect repo in New-AzureWebsite -github if repo is ssh r...
595: Remove contracts from private repository, put in public.