Merge pull request Azure#540 from Nilambari/dev

Network PS commandlets fixes:- Get-AzureVNetGatewayIPsecParameters & Set-AzureVirtualNetworkGatewayConnection

Merge pull request Azure#467 from Azure/release-0.9.3

Integrate from release to master as a part of Release 0.9.3

Merge pull request Azure#445 from hovsepm/release-0.9.2

Added changelog for release 0.9.2

Update ChangeLog.txt

Merge pull request Azure#356 from markcowl/mergebuild

Merging cmdlets for BUILD conference into public repo

Update ChangeLog.txt

Update ChangeLog.txt

Update ChangeLog.txt

Merge pull request Azure#77 from markcowl/release-0.8.13

Release 0.8.13

Update ChangeLog.txt