Updated README.md with info on 2.0 branch
Updated README.md with info on 2.0 branch

ramuss/FazlandElasticaBundle,alekitto/FazlandElasticaBundle,peterkokot/FOSElasticaBundle,alekitto/FazlandElasticaBundle,Exercise/FOQElasticaBundle,fazland/FazlandElasticaBundle,ramuss/FazlandElasticaBundle,fazland/FazlandElasticaBundle