Update version numbers for release 0.8.7
Merge pull request #2819 from markcowl/release-0.8.7

Update version numbers for release 0.8.7
Updated to new ExpressRoute Package
Update installer version
Updating other projects to latest expressroute package
Merge pull request #2822 from markcowl/install

Update installer version
Merge pull request #2821 from nupurkot/release-0.8.7

Updated to new ExpressRoute Package
Help text change to the Set-AzureAvailabiltySet cmdlet

Help text change
Merge branch 'release-0.8.7' of https://github.com/singhkay/azure-sdk-tools into dev