Added some constat values that will be used to set quality flags
Removed unused finalizeFrames() routine.
Added out of range flags when a fill value is set when collecting data.
Fixed bug with bitmask used to grab CMD_CNT from the housekeeping section of the frame.
Added detection for NO_GPS by watching for repeated ms_of_week values and PPS=0xFFFF
Fixed bug. GPS_Time array in DataHolder was not initialized with fill values.
Added quality flag for incomplete spectra.
Added low altitude flag
Now uses Arrays.fill() to initialize arrays with fill values
Merge pull request #61 from wrexroad/master

Added checks for NO_GPS, LOW_ALT, PART_SPEC quality flags.