New global/volume option "ignored attributes"

Can be used to ignore Finder locks by setting "ignored attributes = all".
From FR#80.
Fix parsing of address[:port] strings for IPv6 addresses, bug #515
Use reentrant getpwuid_r() to avoid possibe crash in set_groups()

Fixes bug #518.
Bump libatalk version info
update doc
map acls and follow symlinks
Merge pull request #2 from hat001/doc-fix

update doc
Merge remote-tracking branch 'github/branch-netatalk-3-0' into branch-netatalk-3-0
Merge remote-tracking branch 'origin/branch-netatalk-3-0' into develop

Conflicts:
	include/atalk/globals.h
	libatalk/util/netatalk_conf.c
Rewrite Spotlight documentation, remove references to RDF
Don't use fixed tag when marshalling the CNID structure
dalloc documentation and small fixes
Add new Spotlight RPC functions
Remove Tracker RDF support
Doc fixes, remove remaining RDF cruft
3.1-beta1
Update releasenotes for 3.1-beta1
Update neccessary environment for Tracker