Introduce "External Dictionary" de/compression API
fixed : read error into fuzzer
modified : rand generator
fixed : allocation within fuzzer
new command line options for fuzzer (see -h)
fuzzer : added compressibility parameter (-p#)
Add .gitattributes

See https://help.github.com/articles/dealing-with-line-endings for details.

This change is related to following issues :

    Issue 82:  Can't build lz4.c/h using Sun Studio 12 C compiler when lz4.c/h has Dos (Cr/LF) line endings
    http://code.google.com/p/lz4/issues/detail?id=82

    Issue 94:  Please use unix line ending
    http://code.google.com/p/lz4/issues/detail?id=94