Mobile: update offline sample for incremental sync, update nuget version
Mobile: update Xamarin offline tutorials to final nuget packages
writing
properties
update the flight delay article
Added try azure websites link
added link to try azure websites
added link to try azure websites
vnet
added link to try azure websites
revise try-it-now text
Merge pull request #6217 from mumian/master

update the flight delay article
Merge pull request #6215 from Blackmist/vnetupdate

New article for HDInsight and virtual network
added link to try azure web sites
update two hdi articles
added link to try azure web sites
added link to try azure websites
Merge pull request #6223 from mumian/master

update two hdi articles
added link to try azure websites
added link to try azure websites