Merge pull request #248 from khogenso/devel

Eliminating some duplicated code that was moved to asf_meta
Added new programs annotate_image and color_browse
Merge pull request #250 from asfadmin/TOM

Added new programs annotate_image and color_browse
Merge branch 'devel' of github.com:asfadmin/ASF_MapReady into devel
scons changes for color_browse and annotate_image