added optional profile fields birthdate, gender and scouting_id which…

… get synced from scouting.nl on every login (when enabled in plugin settings)

checked for compatibility with wordpress 5.4.0

checked for compatibility with wordpress 5.2.3

version to 1.1.11

version to 1.1.10

version upgrade to 1.1.9

fix autocreate users, version up to 1.1.8

update to version 1.1.7

update to version 1.1.6

post update to wp.org