Darwin (macOS) port for the udffsck tool#1

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gmerlino wants to merge 7 commits intoargorain:masterfrom

gmerlino:master

Commits on Jan 5, 2018

Darwin (macOS) port for the udffsck tool
gmerlino
committed
fixed (unneeded) CDDL files inclusion, added (initial) Travis directives for macOS
gmerlino
committed
fix for endianness checks on macOS, fix for Travis badge
gmerlino
committed
fixed wrong assumptions on Travis environment (e.g., installed Homebrew
gmerlino
committed
fixed missing libtoolize error with a symlink
gmerlino
committed
skipping top-level make due to (incomplete) port, possibly this one should fix macOS compilation of fsck under Travis
gmerlino
committed
fixed (full) compilation of udftools (modifications outside fsck folder
gmerlino
committed