updated code credits
new version: 0.5.1

Signed-off-by: Steve Markgraf <steve@steve-m.de>
Merge: new version: 0.5.1
change version to 0.5.1git

Signed-off-by: Steve Markgraf <steve@steve-m.de>
use new driver for R8XX tuners

Signed-off-by: Steve Markgraf <steve@steve-m.de>
add support for R828D tuner

Signed-off-by: Steve Markgraf <steve@steve-m.de>
add Astrometa DVB-T/DVB-T2 stick

Signed-off-by: Steve Markgraf <steve@steve-m.de>
remove e4k-specific I2C functions from library

Signed-off-by: Steve Markgraf <steve@steve-m.de>
lib: declare fir coefficients as constant

Signed-off-by: Steve Markgraf <steve@steve-m.de>
r82xx: make new driver build with MSVC

Signed-off-by: Steve Markgraf <steve@steve-m.de>
build: don't warn on unused parameters

Signed-off-by: Steve Markgraf <steve@steve-m.de>
build: make build with automake work again

Signed-off-by: Steve Markgraf <steve@steve-m.de>
tuner_r82xx: set init_done after init

This broke r82xx_standby().

Signed-off-by: Steve Markgraf <steve@steve-m.de>
rtl_power: clean ^C, cropped bins, +32k bins

Signed-off-by: Steve Markgraf <steve@steve-m.de>
rtl_power: nicer errors, low pass, low bw

Signed-off-by: Steve Markgraf <steve@steve-m.de>
rtl_power: more lowpass options

Signed-off-by: Steve Markgraf <steve@steve-m.de>
merge original code updates
add Sveon STV21 stick to device list

Signed-off-by: Steve Markgraf <steve@steve-m.de>
tuner_r82xx: enable multi-byte I2C transfers

This should speed some multi register reads up a bit.

Signed-off-by: Steve Markgraf <steve@steve-m.de>
cmake: detect libusb on FreeBSD

Source:
http://patch-tracker.debian.org/patch/series/view/rtl-sdr/0.5.0.4.4914-2/libusb-freebsd

Signed-off-by: Steve Markgraf <steve@steve-m.de>