checking if the file name includes path separators. If it does not,
then the search for the command begins with the resident command list;
otherwise the local directories are checked. The new code also properly
cleans after itself (a FreeDeviceProc() was missing) and the "PROGDIR:"
lock now always refers to the directory in which the command/script
file is found.
git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@15126 87f5fb63-7c3d-0410-a384-fd976d0f7a62