[CDAP-777] Namespaced logging
[CDAP-777] Removed 'I' from the beginning. Thanks iTerm.
[CDAP-777] Use @QueryParam instead of parsing request ourselves. Rewrite request URL before passing from v2 to v3
[CDAP-777] Minor fix - LogHandler needs to be a guice @Singleton.
[CDAP-777] Addressed PR comments
[CDAP-777] Corrected grammar in comment
Merge pull request #875 from caskdata/feature/namespaced-logs

Feature/namespaced logs