Mainly consists of removing code for #ifdef __KERNEL__
In order to keep it really clear what code has been removed, I have
not corrected any formatting issues.
With the exception of use in three quotes as well as our inlcuded copy
of the GPL, all use of the Free Software Foundation's postal address
has been removed.
Re #320.
All the supported CanoScan devices should work now correctly.
Moved the Plustek parallelport support into a separate backend: plustek_pp.
Added new backend for Plustek ASIC 9600x/9800x based parallelport scanner.