Merge pull request #7 from m0sia/master

Added Windows CE B000FF image format and ROM image format
In process of replacing pymatplotlib with pyqtgraph.
Finished replacing matplotlib with pyqtgraph.
Updated setup.py and easy_install.sh to reflect new dependencies
Merge branch 'master' of https://github.com/devttys0/binwalk
Merge of local changes with external pull requests.
Added 3D plotting.
Added plotter.py
Updated usage
Updated usage
Updated usage
Added validity check for specified file-size keywords; non-zero magic offsets are now supported.
Added INSTALL file
Updated installer script and INSTALL file
Added "None" keyword to create files without extension after exraction