Hotfix renew-cert CN certificates

Closes #20

See merge request !30

Release Neutrinet v0.3.0~ynh5

See merge request !27

Explain how to install from the web interface

See merge request !24

Create change url script

See merge request !26

Use yunohost progress bar

See merge request !23

Resolve "Move master -> stable and develop -> unstable"

See merge request !21

Resolve "Improve /neutrinet webpage"

See merge request !20

* Removed the ./sources/static/js folder and content
* Removed the `<script>` tags (loading the Javascript) from the ./sources/index.html file

Remove virtualenv from documentation

See merge request Neutrinet/neutrinet_ynh!19

Release v0.3.0~ynh4

Closes #9, #11, #12, and #6

See merge request !18

# Conflicts:
#   manifest.json
#   scripts/upgrade

Fix empty webpath

See merge request !17

Resolve "Renew cert cron sends a mail every night"

See merge request !14

Fix 404 error on static page

See merge request !15

Fix missing pip when creating virtualenv on some systems

See merge request !16

Bump version in manifest

Closes #8

See merge request !12

Removing a folder with the -r option is more effecient

See merge request !11

Remove old python2 virtualenv

Closes #8

See merge request !10

Fix checkout renew_cert when directory already exists

Closes #7

See merge request !9

fix #6 Migration to Gitlab in the Readme

See merge request !8

* Added the location for the issues
* Added the location for MR's
* I wrote the URL in full because
    * We have a mirror on github, adding the full URL makes it more explicit that MR's need to be done on another repo
    * Advertising GAFAM free platforms ;)
* I also use this MR to start using a develop branch and added this to the README
* I also removed how to install from the web interface because ynh has removed the possibility to add custom lists from the webinterface

Release v0.3.0

Closes #5

See merge request !7

Adding backup and restore
Extra changes in the install script to use $app instead of 'neutrinet'