pescan: Adapt normal_dos_stub to mmap version.
Introduce .travis.yml to integrate with Travis CI builder - https://travis-ci.org.
pepack: Fix CLI parsing and handling.
Update libpe.
Fix libudis86 file permissions.
Use const as much as possible.
Remove bogus package (libssl) from travis config.
Fix warning about implicit strdup.
pehash: Support hashing single headers separately (issue #51).
readpe: Fix uninitialised values (refs #53).
Update libpe: Rename pe_load* to pe_load_file*.