Branch patch11 had somewhere been lost in bzr hell.
Conflicts:
account/account_move_line.py
document_webdav/nodes.py
document_webdav/webdav_server.py
event_project/__init__.py
users_ldap/users_ldap.py
bzr revid: p_christ@hol.gr-20101223155444-ym8r0g4208gm88j9
This replaces the pseydo-locking of python-webdav library with a real
db-based locking. Locks are stored as DAV properties, which will
effectively also be listed in the PROPFIND response of the nodes.
With locking in place, Office suites can collaborate on documents online.
bzr revid: p_christ@hol.gr-20101207134041-8negkvxrbscv7fs7