Merge pull request dotnet#7365 from mlorbetske/dev/mlorbe/UpdateTempl…

…atesToThe303Build

Update templates to 1.0.0-beta2-20170803-303

fix typo in dotnet-install file

This was needed to rebuild the CLI with the updated Roslyn NuGet packages.

Thanks goes to @akoken for the fix.

Update NuGet.* dependencies of CLI to use 3.5.0-beta-final (dotnet#3005)

Update NuGet.* dependencies of CLI to use 3.5.0-beta-final (dotnet#3005)