Bump readme version in preparation of Artemis 0.7
Bump readme version in preparation of Artemis 0.7

DaanVanYperen/splash-racer,DaanVanYperen/splash-racer,RossKinsella/libgdx-artemis-quickstart,DaanVanYperen/ns2-scc-profiler,davidbecker/libgdx-artemis-quickstart,DaanVanYperen/odb-minion-factorium,DaanVanYperen/odb-dynasty,DaanVanYperen/odb-minion-factorium,DaanVanYperen/libgdx-artemis-quickstart,DaanVanYperen/odb-minion-factorium,thecocce/odb-minion-factorium,DaanVanYperen/ns2-scc-profiler,RossKinsella/libgdx-artemis-quickstart,davidbecker/libgdx-artemis-quickstart,thecocce/odb-minion-factorium,DaanVanYperen/splash-racer,DaanVanYperen/odb-dynasty,RossKinsella/libgdx-artemis-quickstart,thecocce/odb-minion-factorium,DaanVanYperen/ns2-scc-profiler,DaanVanYperen/ns2-scc-profiler,DaanVanYperen/odb-benchmarks-are-useless,DaanVanYperen/libgdx-artemis-quickstart,DaanVanYperen/libgdx-artemis-quickstart,DaanVanYperen/odb-dynasty,davidbecker/libgdx-artemis-quickstart,DaanVanYperen/odb-benchmarks-are-useless,DaanVanYperen/odb-benchmarks-are-useless