Use fully qualified names to reduce namespace clashes. (#68)

* Use fully qualified names to reduce namespace clashes.

* Small code style fixes.

* Make properties in ProxyData immutable.

* Remove clutter by joining TrimEnd() to previous line.

* Introduce Extension method to retrieve ITypeSymbol FullyQualifiedDisplayString

* Fixed some code issues.

* Fixed method call in BaseGenerator

* Refactor metadata name

src/ProxyInterfaceSourceGenerator/Properties/launchSettings.json

@@ -0,0 +1,8 @@
+{
+  "profiles": {
+    "ProxyInterfaceConsumer": {
+      "commandName": "DebugRoslynComponent",
+      "targetProject": "..\\..\\src-examples\\ProxyInterfaceConsumer\\ProxyInterfaceConsumer.csproj"
+    }
+  }
+}