The noseam parameters HNS HNL LNS and LNL, which correspond to the size of the...

The noseam parameters HNS HNL LNS and LNL, which correspond to the size of the boxcar for the highpass and lowpass filters, have been condensed down to two parameters, SAMPLES and LINES as the size of the boxcars must be the same. Fixes #258.

git-svn-id: http://subversion.wr.usgs.gov/repos/prog/isis3/trunk@7150 41f8697f-d340-4b68-9986-7bafba869bb8