Update version to 3.1.0-beta3
Update version to 3.1.0-beta3

bolt/bolt,Intendit/bolt,Intendit/bolt,GawainLynch/bolt,joshuan/bolt,joshuan/bolt,rarila/bolt,GawainLynch/bolt,lenvanessen/bolt,joshuan/bolt,lenvanessen/bolt,nikgo/bolt,bolt/bolt,HonzaMikula/masivnipostele,romulo1984/bolt,lenvanessen/bolt,bolt/bolt,electrolinux/bolt,nikgo/bolt,rarila/bolt,romulo1984/bolt,joshuan/bolt,bolt/bolt,lenvanessen/bolt,Intendit/bolt,HonzaMikula/masivnipostele,GawainLynch/bolt,GawainLynch/bolt,romulo1984/bolt,romulo1984/bolt,rarila/bolt,HonzaMikula/masivnipostele,electrolinux/bolt,nikgo/bolt,electrolinux/bolt,HonzaMikula/masivnipostele,rarila/bolt,electrolinux/bolt,Intendit/bolt,nikgo/bolt