Merge pull request #496 from peepsnet/patch-21

update for sdr-tool.sh script. Selfupdate addition.

selfupdate/makeupdate.sh

@@ -29,6 +29,7 @@ cp image/bashrc.txt work/bin/
 cp image/modules.txt work/bin/
 cp image/stxAliases.txt work/bin/
 cp image/hostapd_manager.sh work/bin/
+cp image/sdr-tool.sh work/bin/
 cp image/10-stratux.rules work/bin/
 cp image/99-uavionix.rules work/bin/
 cp image/motd work/bin/