kpm build fails on mono as the sample uses 451

Also fixed the CopyAspNetLoad.dll to copy from %userprofile%.
Updating readme with instructions to run on mac
remove k.ini and update command name in project.json
Merge branch 'dev' of github.com:aspnet/BugTracker into dev
Update new KRE frameworks
Merge pull request #33 from aspnet/UpdateFX

Update new KRE frameworks
Updated IBuilder and added webroot
Updated Program.cs with webroot
Merge pull request #34 from aspnet/UpdateDir

Updated IBuilder and added webroot
Merge branch 'dev1' into release
Updated nuget.config to point to aspnetrelease
Merging release to master