Merge pull request #3 from asfadmin/seasat_devel

Seasat devel
Merge branch 'seasat' of github.com:khogenso/ASF_MapReady into seasat
Added Seasat support to mapready GUI, asf_mapready
Adding back in the -1000m slant shift. Fix the azimuth doppler in the xml.
Need to the use the system's libjpeg in the GUI to avoid conflict.