Add symfony/security-csrf and revert to ~2.6 version constraint for Symfony
Add symfony/security-csrf and revert to ~2.6 version constraint for Symfony

Eiskis/bolt-base,hannesl/bolt,electrolinux/bolt,one988/cm,joshuan/bolt,romulo1984/bolt,hannesl/bolt,richardhinkamp/bolt,skript-cc/bolt,HonzaMikula/masivnipostele,xeddmc/bolt,kendoctor/bolt,bywatersolutions/reports-site,pygillier/bolt,marcin-piela/bolt,cdowdy/bolt,kendoctor/bolt,HonzaMikula/bolt,skript-cc/bolt,winiceo/bolt,GawainLynch/bolt,one988/cm,Raistlfiren/bolt,hugin2005/bolt,tekjava/bolt,hugin2005/bolt,electrolinux/bolt,rossriley/bolt,kendoctor/bolt,CarsonF/bolt,kendoctor/bolt,romulo1984/bolt,CarsonF/bolt,richardhinkamp/bolt,lenvanessen/bolt,joshuan/bolt,Intendit/bolt,nantunes/bolt,marcin-piela/bolt,richardhinkamp/bolt,HonzaMikula/masivnipostele,one988/cm,lenvanessen/bolt,Eiskis/bolt-base,HonzaMikula/masivnipostele,pygillier/bolt,GawainLynch/bolt,bolt/bolt,bolt/bolt,nantunes/bolt,nikgo/bolt,codesman/bolt,Calinou/bolt,rarila/bolt,winiceo/bolt,nikgo/bolt,winiceo/bolt,lenvanessen/bolt,skript-cc/bolt,xeddmc/bolt,Calinou/bolt,bolt/bolt,nantunes/bolt,rossriley/bolt,tekjava/bolt,bywatersolutions/reports-site,pygillier/bolt,GDmac/bolt,rarila/bolt,codesman/bolt,nikgo/bolt,Intendit/bolt,skript-cc/bolt,rossriley/bolt,Eiskis/bolt-base,richardhinkamp/bolt,joshuan/bolt,bywatersolutions/reports-site,HonzaMikula/bolt,marcin-piela/bolt,tekjava/bolt,nantunes/bolt,CarsonF/bolt,romulo1984/bolt,Calinou/bolt,Eiskis/bolt-base,GawainLynch/bolt,electrolinux/bolt,Raistlfiren/bolt,xeddmc/bolt,cdowdy/bolt,joshuan/bolt,one988/cm,Intendit/bolt,xeddmc/bolt,HonzaMikula/masivnipostele,cdowdy/bolt,hannesl/bolt,hugin2005/bolt,nikgo/bolt,hugin2005/bolt,hannesl/bolt,lenvanessen/bolt,bywatersolutions/reports-site,winiceo/bolt,GawainLynch/bolt,Raistlfiren/bolt,bolt/bolt,CarsonF/bolt,Intendit/bolt,cdowdy/bolt,romulo1984/bolt,HonzaMikula/bolt,GDmac/bolt,GDmac/bolt,rarila/bolt,Calinou/bolt,pygillier/bolt,electrolinux/bolt,rossriley/bolt,marcin-piela/bolt,GDmac/bolt,codesman/bolt,Raistlfiren/bolt,rarila/bolt,codesman/bolt,tekjava/bolt,HonzaMikula/bolt