kpm build fails on mono as the sample uses 451

Also fixed the CopyAspNetLoad.dll to copy from %userprofile%.

src/BugTracker/CopyAspNetLoader.cmd

@@ -1,7 +1,8 @@
 REM copy the AspNet.Loader.dll to bin folder
 md bin
 
+SET ASPNETLOADER_PACKAGE_BASEPATH=%USERPROFILE%\.kpm\packages\Microsoft.AspNet.Loader.IIS.Interop
 REM figure out the path of AspNet.Loader.dll
-FOR /F %%j IN ('dir /b /o:-d ..\..\packages\Microsoft.AspNet.Loader.IIS.Interop*') do (SET AspNetLoaderPath=..\..\packages\%%j\tools\AspNet.Loader.dll)
+FOR /F %%j IN ('dir /b /o:-d %ASPNETLOADER_PACKAGE_BASEPATH%\*') do (SET AspNetLoaderPath=%ASPNETLOADER_PACKAGE_BASEPATH%\%%j\tools\AspNet.Loader.dll)
 echo Found AspNetLoader.dll at %AspNetLoaderPath%. Copying to bin\
 copy %AspNetLoaderPath% bin\

src/BugTracker/project.json

@@ -19,7 +19,7 @@
         "run": "run server.urls=http://localhost:5003"
     },
     "frameworks": {
-        "net451": { },
+        "net45": { },
         "k10": { }
     }
 }