Release v1.5.0 on 2021-02-23.

1. 3d6ffd8 bitcomp.c: fix missing Doxygen group closing tag by Vadim Yanitskiy · 5 years ago
2. e08da97 Fix/Update copyright notices; Add SPDX annotation by Harald Welte · 7 years ago
3. 17518fe doxygen: unify use of \file across the board by Neels Hofmeyr · 7 years ago
4. 87e4550 doxygen: enable AUTOBRIEF, drop \brief by Neels Hofmeyr · 7 years ago
5. bf173a3 bitcomp: Remove the t4 decoding from libosmocore by Holger Hans Peter Freyther · 8 years ago
6. 2d2e2cc Update doxygen annotations in libosmocore by Harald Welte · 8 years ago
7. 5c18e26 Add T4 bit map compression routines by Max · 8 years ago