mcf-status: use shorter option for premirror and sstatemirror

Open-webOS-DCO-1.0-Signed-off-by: Martin Jansa <martin.jansa@palm.com>
Change-Id: I154f13cf40471697816f34c207e7a2093d0dafde
mcf: Fix parsing meta-systemd layer.conf

* fails to parse newer meta-systemd where it matches also this line:
  ${@base_contains('BBFILE_COLLECTIONS', 'systemd-layer',\
  Traceback (most recent call last):
  File "./mcf", line 426, in <module>
    parseCollections(srcdir)
  File "./mcf", line 269, in parseCollections
    traversedir(pathstr)
  File "./mcf", line 257, in traversedir
    parselayerconffiles(layername, collectionpath)
  File "./mcf", line 246, in parselayerconffiles
    (dummy, collectionname) = line.rsplit('=')
  ValueError: need more than 1 value to unpack

Open-webOS-DCO-1.0-Signed-off-by: Martin Jansa <martin.jansa@palm.com>
Change-Id: Ia29f42916f6996230ea3d5aa47958fce9db2593d
mcf: Add support to enable buildhistory repository

* BUILDHISTORY_COMMIT is set to 1 when buildhistory is enabled
* BUILDHISTORY_AUTHOR assignment is generated in local.conf if
  buildhistory author is provided, otherwise it will use author
  from global git config

Open-webOS-DCO-1.0-Signed-off-by: Martin Jansa <martin.jansa@palm.com>
Change-Id: If75ed6dc0bc79df66588a2e6eb923af43e5e58a7
Update copyright years, small formal changes

Open-webOS-DCO-1.0-Signed-off-by: Martin Jansa <martin.jansa@palm.com>
Change-Id: I353930204f542e8124f5027e0531ef18a2f0c361