event producer and some cleanup
Merge pull request #261 from stevendgonzales/master

make json schema default path an absolute path instead of relative path.  Correction to sys_assist disk usage when used disk space = 0
Merge remote-tracking branch 'upstream/master'
mod to add default data sink and test
Merge pull request #263 from stevendgonzales/master

json schema validation of worker_status API
mod default values for datasinks
Merge remote-tracking branch 'upstream/master'
Merge pull request #265 from aelkikhia/master

Event Producer Multiplexing
Merge remote-tracking branch 'upstream/master'