V3.4.0

What's Changed

• Many refactorings and cleanups.
• RTL-TCP device improved by @old-dab.
• Adapted antenna switch for RSPduo (but not tested) by @old-dab.
• Update for Windows by @old-dab in #29.
• Delete obsolete files by @old-dab in #30.
• Improvement by @old-dab for DC compensation while file readings made from RTL-SDR sticks.
• Add TII plot with values shown in dB (the one in % is kept).
• The TII scopes get colored segment markers to better see the regarding main id and sub id.
• Fix problem with audio buffer underrun with some HE-AAC input sample rates.
• Minor fixes and removing typos.
• Simplify FFT handling (got a bit faster).
• The audio spectrum display gets more reactive to the audio.
• Zoom and Pan of correlation and carrier plot enhanced with extended zooming-out capability (see below).

Behavior of the Zoom and Pan has to be changed a little:

• Press <CTRL> key while mouse action for vertical zooming, panning and reset zoom.
• Press <SHIFT> key while mouse action for horizontal zooming, panning and reset zoom.
• Use mouse wheel for zooming.
• Press left mouse button for panning.
• Press right mouse button to reset zoom.

Full Changelog: V3.3.0...V3.4.0