Fix for null pointer in nick_gen (Ticket #1101)
Fix for rejecting buddy requests on jabber (Ticket #887)

Patch from ticket #1112
Fix check_nick tests (Ticket #1102)
Makefile: Use $INSTALL instead of the hardcoded command (Ticket #725)
init/bitlbee.socket: Listen on ipv6 too (Ticket #1008)

Note that this applies to systemd socket activation only.

The original issue reported in ticket #1008 is not covered by this patch.
pkgconfig: Plugindir fix for bitlbee.pc (Ticket #1085)
Word wrapping for group chat mesages (Ticket #1131)
Makefile: use $(MAKE) for skype install (Ticket #1099)

Fixes freebsd and parallel make install issues.
Merging a bunch of patches from Trac, collected by dx.
Allow use of "ac x set -del password" to use /oper to change the password
"securely". Patch from Flexo, bug #1117.