ibacm: Fixes to ACM package to support distros

ibacm: Fixes to ACM package to support distros

Set of changes to fixup the ibacm package for inclusion into RedHat 6.
Changes are based on feedback from Doug Ledford <dledford@redhat.com>.
These are primarily changes to the build files, along with name changes
to the man pages and sample configuration files.

Rename the ib_acm service to match the package name, ibacm.

Rename the ibacm configuration files to use the prefix 'ibacm' instead
of 'acm'.  The new sample files are 'ibacm_addr.cfg' and 'ibacm_opts.cfg'.

Move location of ACM lock and configuration files and ibacm.pid
files.  They are currently in non-standard locations.

Modify ibacm and ib_acme to use $sysconfdir and $bindir configure
values.  The ibacm_addr.cfg and ibacm_opt.cfg files will now be
read/written to $sysconfdir/rdma by default.  And ibacm will execute
$bindir/ib_acme if it needs to create the ibacm_addr.cfg file.  Without
$bindir, the ibacm service can fail to launch ib_acme when started
from an init script.

Add init script as part of install.  The init script is installed
into $sysconfdir/init.d.

Fixup man pages based on changes.

Signed-off-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Sean Hefty <sean.hefty@intel.com>