[hpsdr] P*SDR_HPSDR_mRX_v3.0.7 released

[Doug W5WC]

The P*SDR_HPSDR_mRX_v3.0.7 release is now live on the download page at
<http://openhpsdr.org/download.php> and  will be available soon from <
https://apache-labs.com/>.

The following bug fixes and additions are included.

- Corrected Waterfall display not being initialized correctly.
- Added new OpenHPSDR splash screen.
- Updated 160m and 40m band plan for the UK region.

73,
Doug W5WC