Run tests on travis

Author: ethanhann

.travis.yml

@@ -5,4 +5,6 @@ sudo: false
 cache: apt
 
 script:
-  - xbuild /p:Configuration=Debug IntegrationEngine.sln
+  - xbuild /p:Configuration=Release IntegrationEngine.sln
+  - mono ./packages/NUnit.Runners.2.6.4/tools/nunit-console.exe ./IntegrationEngine.Model.Tests/bin/Debug/IntegrationEngine.Model.Tests.dll
+  - mono ./packages/NUnit.Runners.2.6.4/tools/nunit-console.exe ./IntegrationEngine.Tests/bin/Debug/IntegrationEngine.Tests.dll