Squeeze output to fit in 80 columns.
Minor changes to enable build on OSX 10.9.
Added debugging option to makeflow_analyze.
Check for compiler warning flags before using them, this avoids
build failures across compiler versions.
echo -n -> echon() for portability
Removed (unused) catalog_history options.
Missed some echons.
Merge pull request #625 from dthain/osx-cleanup

Fixes to build on OSX 10.9