Merge pull request #590 from caseybryant/cov

M117 - Added new coverage tables for span storage.
OOIION1920: Support UI search
Merge pull request #591 from mmeisinger/fix1920_disc

OOIION1920: Support UI search
Fixes parameter defs for raw and quality_flag
Adds ingest_stream_name to data product
Merge pull request #592 from lukecampbell/dp

Adds ingest_stream_name to data product
Adds dataset management to the clients of observatory management
Merge pull request #593 from lukecampbell/sites

Adds dataset management to the clients of observatory management
Adds new method to dataset management to update windows of complex covs
Merge pull request #594 from lukecampbell/windows

Adds new method to dataset management to update windows of complex covs
M117 - Moved parameter metadata to coverage metadata table.