minor style fix for user menu
left padding added, unnecesary cursor pointer removed
help page ported to bootstrap
added title_header key for the Help header, only for EN lang so far
Merge pull request #5050 from pablocubico/feature/4466-port-help-page-to-bootstrap

[4466] help page ported to bootstrap
Merge pull request #5047 from pablocubico/feature/user-menu-styles-minor-fix

[4703] Minor style fix for user menu
Home page, registration page and robots.txt personnalization
Add my aspects link in the header
Add indication about testaccount and framasphere on the home page