Add line and sample to add_aux_band
Fix crash when showing outlines for multiple images
Fixing a bunch of warnings that show up with -Wall on gcc 4.6.2
Splitting libasf_metadata out from the metadata tool.
Merge pull request #174 from khogenso/devel

Splitting out libasf_metadata, warning fixes
Add handling of "no data" value for GeoTIFFs in import/export/asf_view
Incorporated the new no data field into the normal geotiff initialization code
Merge branch 'devel' of https://github.com/asfadmin/ASF_MapReady into devel
Three new SConscripts.
Remove commented lines in SConscript.
Merge pull request #175 from asfadmin/jsn

3 new sconscripts.
Made fit_warp available as a library function
Add fit_warp to the list of MapReady tools
Added a clean target to fit_warp Makefile
Need the XML libs in the GUI, now.
Now the fit_warp in libasf_insar is no longer needed.
Kludgey way of making remap into a library function.
Now have the guts of remap in libasf_remap.
Now split out the lib part of remap into libasf_remap
Forgot to add the new remap main.