revise for robust handling of directory location in aid input files (seems to vary across files)
revise for robust handling of directory location in aid input files (seems to vary across files)

git-svn-id: https://beagle.whoi.edu/svn/ifcb/trunk@1201 9f5e5bc8-6430-4f94-ad00-aad15e9f9366

Former-commit-id: 5bbfa2d27d9fafdc859898f1e93828f5323ab917
hsosik/ifcb-analysis,hsosik/ifcb-analysis,hsosik/ifcb-analysis,hsosik/ifcb-analysis,hsosik/ifcb-analysis