Add some options to the encoder configuration windows.

[Divzed]

Feature Requests

• Add two options to LAME MP3 Encoder to disable Highpass & Lowpass Filter separately instead of disabling all filtering.
• Add Sample Rate option to LAME MP3 Encoder configuration window instead of relying on signal processing.
• Add the most important options to FLAC Audio Encoder configuration window instead of relying on signal processing:
  • Channel Configuration [Stereo/Mono]
  • Sample Format [8/16/24]
  • Sample Rate
• Add the most important options to Windows Wave File Output configuration window instead of relying on signal processing:
  • Channel Configuration [Stereo/Mono]
  • Sample Rate
• Add new entries to Options > General Settings > fre:ac > Interface:
  • Show Tips on Startup [Enable/Disable]
  • Check for updates at startup [Enable/Disable]
  • Joblist > Show Title Info [Enable/Disable]
  • Select Theme [Dark/Light/System]
  • Toolbar Icons Bar [Enable/Disable]
• Add new entry "Open config file..." to "Options" tab, which would open file freac.xml with notepad.
• Change color of file progress bars during encoding process from dark grey to green for better visibility in dark theme.