Release 1.2.10.0 of the extension.

In this release we have completely overhauled how the templates for ASP.NET 4.x and ASP.NET Core apps work for GCP. We have improved on the template wizard work.

Changes in this release:
6ab17d2 Updating the gcloud dependency and version number. (#824)
8126498 Make MVC the default for the new template dialog box. (#822)
3398931 Correctly check for .NET Core before creating config files. (#818)
182b8bd Using the FQDN of a GCE instance instead of the IP address. (#815)
564cd16 Fixes missing gcloud checks. (#819)
0cd69c1 Automatic code cleanup. (#812)
b0cac23 Master removing beta dependency (#811)
6d55c38 Updating the version to 1.2.9.0 (#810)
60e106a Issue#803 (#804)
466b02a Updating the nuget packages to the latest bits. (#806)
7ad71ec Changes suggested by the strings review. (#805)
4366363 Modify the templates so they can be edited in place. (#801)
790b6af Random updates for docs (#802)
9541189 Remove the creation of a complex cloudbuild.yaml when a simpler Dockerfile suffices. (#799)
e1f8b2d Fix a few things that didn't make it into the single template PR. (#800)
7e98c58 Change templates to be a single template. (#792)
8d925e1 Fix a few comment errors. (#788)
bb327ee Adding support for the .NET Core 2.0 runtime. (#785)
99ec8f9 Change Template source directory layout. (#779)
12eb108 Move back global.json sdk version to the version installed by the .NET Core SDK for Visual Studio 2015. (#777)