New maintenance release for the community version, including several fixes and a minor API improvement

- # - Fix user stats
- # - fix form replace
- # - fix upgrade communication and category menu
- # - fix require question type files with forma::inc
- # - fix dashboard middle area user
- # - add reset_field_if_not_set,use_default_password,default_password in iotask docebouser connector config
- # - add orgchart management in update user api
- # - add orgchart management in update user api
- # - fix custom field check when user insert 0 as value
- # - fix all require once for lib_profile.php
- # - fix custom field check when user insert 0 as value
- # - fix query for field show when textentry is numeric when fields filter is active
- # - fix 0 in session
- # - fix ssl encryption
- # - fix field show when textentry is numeric
- # - Fix dashboard next courses block
- # - fix 3.3.8 add index query to solve if index exists