Fix examples & add them to travis build

.travis.yml

@@ -72,6 +72,9 @@ script:
             cd "$TOP";
         done
 
+        # Ensure that ipython-kernel examples build successfully.
+        stack build ipython-kernel --flag ipython-kernel:examples
+
         # Ensure that IHaskell notebook remains unchanged.
         # Run the notebook to regenerate the outputs, then compare the new notebook to the old one.
         stack install --stack-yaml=stack-full.yaml

ipython-kernel/examples/Calc.hs

@@ -233,6 +233,10 @@ mkConfig var = KernelConfig
   , inspectInfo = langInfo
   , run = parseAndRun
   , debug = False
+  , kernelBanner = "Expanded Hutton's Razor"
+  , kernelProtocolVersion = "5.0"
+  , kernelImplName = "expanded_huttons_razor"
+  , kernelImplVersion = "0.0"
   }
   where
     displayRes (Left err) =

ipython-kernel/examples/Simple.hs

@@ -130,6 +130,10 @@ simpleConfig = KernelConfig
   , inspectInfo = languageInspect
   , run = languageRun
   , debug = False
+  , kernelBanner = "Simple Arithmetic Expressions"
+  , kernelProtocolVersion = "5.0"
+  , kernelImplName = "funcalc"
+  , kernelImplVersion = "0.0"
   }
 
 main :: IO ()