Document changes and release 2.5.7-3pureos1

debian/changelog

+geoclue-2.0 (2.5.7-3pureos1) unstable; urgency=medium
+
+  * Move pureos patches into d/patches/pureos.
+    This avoids collisions with upstream patches.
+  * d/control: Adjust Vcs-* for PureOS
+  * d/control: Adjust maintainer for PureOS
+  * Drop patches merged upstream
+
+ -- Guido Günther <agx@sigxcpu.org>  Mon, 19 Apr 2021 12:29:20 +0200
+
 geoclue-2.0 (2.5.7-3) unstable; urgency=medium
 
   * Properly detect that applications are running in flatpak when using cgroup