Update SDK to 2.1.300 and add Traversal build

Author: NickCraver

PackageBuild.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.Build.Traversal/1.0.22">
+<Project Sdk="Microsoft.Build.Traversal/1.0.34">
   <ItemGroup>
     <ProjectReference Include="src\**\*.*proj" />
   </ItemGroup>

appveyor.yml

@@ -15,7 +15,7 @@ skip_commits:
   files:
     - '**/*.md'
     - docs/*
-    
+
 environment:
   Appveyor: true
   # Postgres
@@ -47,25 +47,25 @@ build_script:
   - createdb test
   # MySQL
   - mysql -e "create database test;" --user=root
-  - ps: .\build\dotnet-install.ps1 -Version 2.1.105
+  - ps: .\build\dotnet-install.ps1 -Version 2.1.300
   - ps: .\build.ps1 -PullRequestNumber "$env:APPVEYOR_PULL_REQUEST_NUMBER" -CreatePackages $true
 
 test: off
 artifacts:
 - path: .\.nupkgs\*.nupkg
-  
+
 deploy:
 - provider: NuGet
   server: https://www.myget.org/F/miniprofiler/api/v2
   on:
-    branch: master  
+    branch: master
   api_key:
     secure: LLyiHXh/pU4i8H2Cn74C5sXNV+5MX0gpJZuunTnXv/KoafhfmkB/65/TcV4B7kj2
   symbol_server: https://www.myget.org/F/miniprofiler/symbols/api/v2/package
 - provider: NuGet
   server: https://www.myget.org/F/stackoverflow/api/v2
   on:
-    branch: master  
+    branch: master
   api_key:
     secure: P/UHxq2DEs0GI1SoDXDesHjRVsSVgdywz5vmsnhFQQY5aJgO3kP+QfhwfhXz19Rw
   symbol_server: https://www.myget.org/F/stackoverflow/symbols/api/v2/package

global.json

@@ -1,5 +1,5 @@
 {
   "sdk": {
-    "version": "2.1.105"
+    "version": "2.1.300"
   }
 }