Replace dot-product FIR filter with much faster FFT implementation.
Update copyright dates.
Add tool to patch maximum frequency of RTL2832 and R820T modules.
Fix DVB module patching script.
Add W6RZ's DVB-T transmitter code.
Rename dvbt-tx.py to dvbt-blade.py to match Ron's.
Incorporate Ron's latest changes.
Merge branch 'master' into calibrated

Conflicts:
	dvb-freq-fix.py
Make dvb-freq-fix.py executable like in master.