[enh] Cordova build hooks now use the project gulpfile (sse task cdvAfterPrepare)

[enh] Add cordova plugin customurlscheme
[enh] Prepare hook to next Android project layout
[enh] Add --debug option gulp tasks

[fix] fix i18n JSON (EO)
[fix] Minor JS changes (use some '===' comparator)
[fix] Fix dev doc

Petites corrections linguistiques

See merge request clients/cesium-grp/cesium!622

Update locale-eo-EO.json (version 1.5.8)

See merge request clients/cesium-grp/cesium!611

DOC: In a post-it developpement guide

See merge request clients/cesium-grp/cesium!623

Update locale-eo-EO.json version 1.6.7

See merge request clients/cesium-grp/cesium!621

Corrections linguistiques sur la version 1.6.7.

See merge request clients/cesium-grp/cesium!619

Update locale-eo-EO.json (version 1.5.8)

See merge request clients/cesium-grp/cesium!610

# Conflicts:
#   www/i18n/locale-eo-EO.json

Mise à jour version 1.6.7 : intégration du mode démo...

See merge request clients/cesium-grp/cesium!620

[fix] Wot Map: hide buttons on small screen (in marker popup)

Petites corrections linguistiques (déjà OK sur https://git.duniter.org/documents/licence-g1/-/blob/master/license/license_g1-fr-FR.rst)

Mise à jour version 1.6.7 : intégration du mode démo + conservation données de navigation + amélioration de certaines traductions

[fix] Readonly mode: hide user menu items, in small device
[fix] Help tour: Fix last help tour message, on readonly mode
[fix] Help: HIde login/join help entries, on readonly mode

[fix] Demo mode: add ribbon on home page. Fix warn template use
[fix] API: allow to pay using the API, but display a warn message