second try to build with travis

Author: Jacques Kang

.travis.yml

@@ -1,6 +1,10 @@
 language: csharp
 mono: none
+solution: IpcServiceFramework.sln
 dotnet: 2.1.3
-solution: ./src/IpcServiceFramework.sln
+dist: trusty
+sudo: required
 script:
- - dotnet restore
+ - cd ./src
+ - dotnet restore
+ - dotnet build