update the geometry column
add index column to measurements table and fill it with index from netCDF file
set geometry column type to SRID 4326 and add spatial index
renamed database columns to be consistent with netCDF variable names (and CF standard names for binary columns)
add liquibase changelog in here for reference
added lat/lon QC and site depth attributes to timeseries;  added creation of views to liquibase changelog
renamed data and map view to be unique IMOS-wide
harvest instrument & site depth metadata as Double type;  also harvest lat/lon QC
renamed views as agreed with project officers
update NetCDFUtils code and use it to round data timestamps to nearest second