Merge pull request #241 from khogenso/devel

More stuff added back to scons build
Added logical OR operation to resample.
Merge pull request #242 from asfadmin/TOM

Added logical OR operation to resample.
Initialized varaibles
Merge pull request #243 from asfadmin/TOM

Initialized variables
Merge branch 'devel' of github.com:asfadmin/ASF_MapReady into devel
sqrt_img needs to delete the stats block