redmine_dnoise_workload migrated to work with redmine 2.x
Also fixed to be viewd on chrome.
Restructure files

Allow plugin to be included as submodule.
Merge commit '8ffb3a9'
routes fix
Restructured directories.
Revert "Restructured directories."

This reverts commit c59449626101a3cf0657b288cc49dff0170fb868.
Merged https://github.com/Rumega/Redmine-Workload-Dnoise/commits/master