Better error messages#254

Merged

kohsuke merged 2 commits intohub4j:masterfrom cyrille-leclerc:better-error-messages

Mar 12, 2016

+165-5

Commits on Mar 6, 2016

Better error message: introduce HttpException, subclass of IOException with url, http responseCode and http responseMessage to help exception handling.
cyrille-leclerc
committed

Commits on Mar 7, 2016

Fix broken log message in GitHub.java and cleanup code as recommended by @jglick
cyrille-leclerc
committed