Updating AppVeyor settings for build and updated Readme for support of .Net Core

Author: Troy Schmidt

README.md

@@ -5,7 +5,7 @@
 A Serilog sink that writes events to Microsoft SQL Server. While a NoSql store allows for more flexibility to store the different kinds of properties, it sometimes is easier to use an already existing MS SQL server. This sink will write the logevent data to a table and can optionally also store the properties inside an Xml column so they can be queried.
 
 **Package** - [Serilog.Sinks.MSSqlServer](http://nuget.org/packages/serilog.sinks.mssqlserver)
-| **Platforms** - .NET 4.5
+| **Platforms** - .NET 4.5 and .NET Standard 2.0
 
 ## Configuration
 

appveyor.yml

@@ -1,13 +1,9 @@
 version: '{build}'
 skip_tags: true
-image: Visual Studio 2015
+image: Visual Studio 2017
 configuration: Release
 install:
   - ps: mkdir -Force ".\build\" | Out-Null
-  - ps: Invoke-WebRequest "https://raw.githubusercontent.com/dotnet/cli/rel/1.0.0-preview2/scripts/obtain/dotnet-install.ps1" -OutFile ".\build\installcli.ps1"
-  - ps: $env:DOTNET_INSTALL_DIR = "$pwd\.dotnetcli"
-  - ps: '& .\build\installcli.ps1 -InstallDir "$env:DOTNET_INSTALL_DIR" -NoPath -Version 1.0.0-preview2-003121'
-  - ps: $env:Path = "$env:DOTNET_INSTALL_DIR;$env:Path"
 build_script:
 - ps: ./Build.ps1
 test: off

test/Serilog.Sinks.MSSqlServer.Tests/Serilog.Sinks.MSSqlServer.Tests.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0;net452</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;net45</TargetFrameworks>
     <AssemblyName>Serilog.Sinks.MSSqlServer.Tests</AssemblyName>
     <AssemblyOriginatorKeyFile>../../assets/Serilog.snk</AssemblyOriginatorKeyFile>
     <SignAssembly>true</SignAssembly>
@@ -20,7 +20,7 @@
     <PackageReference Include="Dapper.StrongName" Version="1.50.2" />
   </ItemGroup>
 
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net452' ">
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net45' ">
     <Reference Include="System" />
     <Reference Include="Microsoft.CSharp" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.3.0" />