DISTRO_PORTING edited online with Bitbucket
Merged in DaveSh/uselessd/DaveSh/distro_porting-edited-online-with-bitbuc-1413246933064 (pull request #1)

DISTRO_PORTING edited online with Bitbucket
Merge remote-tracking branch 'origin/linux-devel' into linux-devel
Merge branch 'linux-experimental' into linux-devel
strv: more vigorous overflow checking in strv_push()
bump version number
implement KillMode=mixed
main: don't set timezone, assume UTC defaults
manager: disable some of the higher RT signals for those poor souls not yet on IA-64
install: make symlink removals explicit in all cases
main: make user log target simply kmsg
main-no-init: no need to check for Plymouth here
configure.ac: add --enable-mudflap option for GCC <4.9 libmudflap instrumentation
systemctl: add --avoid-bus option
man/systemctl.xml: add entry for --avoid-bus
sync remote TODO with local
shutdown: don't run umounting if we're inside a container
Makefile.am: conditionalize compilation for password agents
configure.ac: add --disable-password-agents
man: conditionalize password agent manpages