README fixes
README fixes

kjnsn/rpush,mandarin6b0/rpush,aried3r/rpush,krakatoa/rpush,jmnsf/rpush,chiu/rpush,joshuairl/rpush,rafal-radziszewski/rpush,rafal-radziszewski/rpush,rpush/rpush,eleostech/rapns,zenjoy/rpush,amaierhofer/rpush,ileitch/rapns,zakwanhaj/rpush