Updated INSTALL documentation
Added convenience binwalk.scan function
Added zlibextractor plugin; removed FMK zlib extraction dependency
Removed firmware-mod-kit dependencies
Move most of binwalk's tinfl additions to a separate file

This will make downstream use of unbundled tinfl easier.
Updated libmagic to 5.20
Updated INSTALL.md
Fixed disasm progress status updates
Added uuencode file signature
Merge pull request #80 from swt2c/unbunble_miniz

Move most of binwalk's tinfl additions to a separate file
Minor update to miniz README file