Add some missing library linker options that cause breakage with newer linker versions.
Merge branch 'devel' of https://github.com/asfadmin/ASF_MapReady into devel
Fixes DE1397. Assign MAPREADY_VERSION_STRING in the SConstruct, and optionally via the scons command line. Also change the RPM spec file to pass the version via command line.
Merge pull request #240 from asfadmin/jsn

Fix versioning (DE1397). Also add some missing linker includes.