Add HTTP/2 and Server Push documentation
Add HTTP/2 and Server Push documentation

taltmann/dropwizard,takecy/dropwizard,phambryan/dropwizard,pkwarren/dropwizard,ryankennedy/dropwizard,tburch/dropwizard,patrox/dropwizard,mosoft521/dropwizard,Alexey1Gavrilov/dropwizard,tjcutajar/dropwizard,shawnsmith/dropwizard,evnm/dropwizard,kjetilv/dropwizard,dotCipher/dropwizard,aaanders/dropwizard,dropwizard/dropwizard,evnm/dropwizard,shawnsmith/dropwizard,cvent/dropwizard,nickbabcock/dropwizard,nickbabcock/dropwizard,jplock/dropwizard,zhiqinghuang/dropwizard,Alexey1Gavrilov/dropwizard,cvent/dropwizard,cvent/dropwizard,ryankennedy/dropwizard,mosoft521/dropwizard,anonymint/dropwizard,mattnelson/dropwizard,jplock/dropwizard,micsta/dropwizard,mosoft521/dropwizard,tburch/dropwizard,qinfchen/dropwizard,patrox/dropwizard,mattnelson/dropwizard,shawnsmith/dropwizard,pkwarren/dropwizard,pkwarren/dropwizard,takecy/dropwizard,kjetilv/dropwizard,ryankennedy/dropwizard,taltmann/dropwizard,dotCipher/dropwizard,taltmann/dropwizard,evnm/dropwizard,nickbabcock/dropwizard,dotCipher/dropwizard,tburch/dropwizard,dropwizard/dropwizard,mattnelson/dropwizard,aaanders/dropwizard,phambryan/dropwizard,jplock/dropwizard,tjcutajar/dropwizard,zhiqinghuang/dropwizard,dropwizard/dropwizard,patrox/dropwizard,qinfchen/dropwizard,qinfchen/dropwizard,micsta/dropwizard,phambryan/dropwizard,tjcutajar/dropwizard,zhiqinghuang/dropwizard,Alexey1Gavrilov/dropwizard,anonymint/dropwizard,aaanders/dropwizard,kjetilv/dropwizard,takecy/dropwizard,micsta/dropwizard