unlock
fixing the logout processus
improivng stalled lock management
releasing on lock on logout
suppress export button
exporting all nodes, not only the leaves
fehlende null Werte
fixing drag and drop error
using file based session
auto renewing lock if user match
typo
fixing session issue
cookie-based session
haproxy cookie
removing expire date when nobody is logged in
new prod isntance
Merge pull request #8 from geoadmin/fix_lock

Fixing lock