Merge pull request #1 from csete/master

merging fork
Merge pull request #2 from csete/master

pull
Adds a list of Frequencies which you can click on to tune to it.

The list is read from (on Linux) : ~/.config/gqrx/frequency-list/radio.csv

The File List looks like this:

```
 98500000, Bayern3     , WFM       , 400000
 99000000, Oe3         , WFM       , 122000
105700000, Bayern 5    , WFM       ,
```

Modulation and Bandwidth are not yet used.
Converted frequency-table to a dock window.
Auto select row in frequency-table.
Support more Freq-Tables and selecting via Combobox.
small changes to frequency-list.
Fix mouse input with latest Qt 4.8
Add HackRF Jawbreaker to æist of supported devices.
Add HackRF sample rates.
port to gnuradio 3.7 API
Add usable version string for release builds.
Recommend gnuradio 3.6.5.1 when using gr-audio.
Make output device selector editable with when using gr-audio.

Related to issue #50.
Always reset audio output device on Mac OS X.

This hopefully fixes issue #66 and issue #78.
Add define for identifying OSX in non-Qt code.
Updated news file.
Ensure that FFT window is reset when FFT size changes.

Closes issue #70.
Updated readme.
Merge pull request #80 from pinkavaj/gnuradio_3.7_02

Switch to gnuradio 3.7 API (use gr3.6 branch for legacy).
Include gnuradio-fft as dependency.