STORM-320: Support STORM_CONF_DIR environment variable to support
alternate location of storm.yaml file.
Expose managed spout ids publicly
    Show node details on error
Merge branch 'master' of https://github.com/aaronzimmerman/incubator-storm into storm-337

STORM-337: Expose managed spout ids publicly
Update CHANGELOG and README for STORM-337
Merge branch 'STORM-320' of https://github.com/chu11/incubator-storm into storm-320

STORM-320: Support STORM_CONF_DIR environment variable to support
Update CHANGELOG and README for STORM-320
Fixing review comments
Fixing doto usage in creating ErrorInfo
Fixing testing issues.
Remove unwanted moving js lines
Add testing best practices to DEVELOPER.md
Merge branch 'node-details-on-error' of https://github.com/kishorvpatil/incubator-storm into STORM-360

STORM-360: Add node details for Error Topology and Component pages
Added STORM-360 to CHANGELOG