scintellometry/lofar/digitize.py: a lofar digitization routine.
run 'python digitize.py -h' for an explanation

it has been thoroughly tested.
the resultant int8 raw file can be reverted with the '--revert' option.

This too has been tested. Though, note, the digitization clips 5-sigma outliers.
removed dependency on astropy
Implemented Marten's suggestions to the digitize routine:
* removed unnecessary dependencies (astropy, fromfile)
* be sure to read the whole file
* add to the docstring a bit
Addressing more of Marten's comments:
especially an improved docstring.

have yet to write an explicit example...
Merge pull request #10 from aberndsen/master

scintellometry/lofar/digitize.py: a lofar digitization routine.