Rework the systemd squid.service to make it able to intialize cache directory (squid -z) fixing bnc#802635
Removing the unneeded bash wrapper
Upgrade to bugfixes upstream release 3.2.9

- New revision for squid.service (using only sed)
handle multiple cache_dir line
Added sed as require
- Packaging : fixed systemd squid.service
- Rework on squid.service ExecStartPre line
remove dependency on unfunctionnal wrapper
- Fix bnc#802635 (creating cache struture fail on first call)
- Fixed Type=forking and remove the use off -N (non daemon flag)
- Fixed missing pid file
- Structural : add all -k to end of Exec/Stop line
- Ulimit : Added LimitNOFile=4096 ( same value as in /etc/sysconfig)
but there's no way to decode dynamically /etc/sysconfig
- Remove syslog.target ( no need anymore : advise from fcrozat )
- Clean up squid_cache_build.sh
- Changes to squid-3.2.9 (12 Mar 2013):
- Regression fix: Accept-Language header parse
- Bug 3673: Silence 'Failed to select source' messages
- Fix authentication headers sent on peer digest requests
- Fix build error on Solaris, OpenIndiana, Omnios
- Changes to squid-3.2.8 (02 Mar 2013):
- Bug 3767: tcp_outgoing_tos/mark ACLs do not obey acl_uses_indirect_client
- Bug 3763: diskd Error: no filename in shm buffer
- Bug 3752: objects that cannot be cached in memory are not cached on disk
- Bug 3753: Removes the domain from the cache_peer server pconn key
- Bug 3749: IDENT lookup using wrong ports to identify the user
- Bug 3723: tcp_outgoing_tos/mark broken for CONNECT requests
- Bug 3686: cache_dir max-size default fails
- Bug 3515: crash in FtpStateData::ftpTimeout
- Bug 3329: Quieten orphan Comm::Connection messages
- Make squid -z for cache_dir rock preserve the rock DB (forwarded request 159652 from bruno_friedmann)