doc: Init script was updated to use a directory

Reported on IRC:
http://colabti.org/irclogger/irclogger_log/bcfg2?date=2013-09-16;raw=on

Signed-off-by: Sol Jerome <sol.jerome@gmail.com>
bcfg2-lint: Fixed Metadata check for duplicate groups

The duplicate group check parsed groups differently from the actual
groups.xml parsing routines; the latter followed the documentation,
while the duplicate group check did now.  This fixes the duplicate
group check to parse groups.xml correctly when looking for duplicates.

Fixes #140
posixusers_baseline.py: Handle users with nonexistent primary groups
GroupLogic: sort after other plugins so GroupLogic can use, e.g., Probe groups
Bundler: Allow <Group> tags inside POSIXUsers
Probes: Fixed reading probed.xml
Probes: always use database in db-backed probe data store
GroupLogic: avoid infinite recursion when using metadata.query in GroupLogic
Merge branch 'maint'

Conflicts:
	src/lib/Bcfg2/Server/Plugins/GroupLogic.py
	src/lib/Bcfg2/Server/Plugins/Metadata.py
	tools/posixusers_baseline.py