v1.20

- added Gantt export
- added email field to user profile
- added interface to allow user to change own email and password
- added password recovery feature
- added option to setup the SMTP parameters
- added an url for the SOPlanning instance, for email links
- added option to change SOPlanning name
- replaced "notes" field in a task assigned by a multi-lines input field
- replaced the old color picker
- password are now crypted in the database (sha1)
- fixed accent bug on PDF export
- fixed display bug with "hide empty lines" feature
- fixed when moving a task, the duration is conserved
- fix on months and days translation
- project identifier size extended to 10 cars
- user identifier size extended to 10 cars
- added text filter in the planning view