get rid of m.camptocamp.org: first steps
MobileFilter must be before cache filter
switch between mobile and desktop version of the site
typo when renaming
Merge branch 'master' into only-www
no more m.camptocamp.org host for apache config
remove some references to m.*
remove references to m.*
analytics tracker update for tracking form factor

- only one view for desktop and mobile version on www.camptocamp.org
- use dimesnion3 to track form factor at session level
form factor filter for forums
don't call c2cTools::mobileVersion() many times

$mobile_version, set in symfony_formfactor.php, is available to all
php files afterward (given they include common.php)
remove references to old mobile version m.*