Added Mono back on Travis

Author: thecodejunkie

.travis.yml

@@ -1,5 +1,5 @@
 language: csharp
-mono: none
+mono: alpha
 sudo: required
 dist: trusty
 addons:
@@ -10,6 +10,8 @@ addons:
     - libicu-dev
     - libssl-dev
     - libunwind8
+env:
+    - MONO_TLS_PROVIDER=legacy
 script: ./build.sh --verbosity=diagnostic
 notifications:
   email:

test/Nancy.ViewEngines.DotLiquid.Tests/Nancy.ViewEngines.DotLiquid.Tests.csproj

@@ -9,10 +9,6 @@
     </None>
   </ItemGroup>
 
-  <ItemGroup>
-    <ProjectReference Include="../../src/Nancy.ViewEngines.DotLiquid/Nancy.ViewEngines.DotLiquid.csproj" />
-  </ItemGroup>
-
   <ItemGroup>
     <PackageReference Include="DotLiquid" Version="2.0.64" />
   </ItemGroup>