Add release notes for Dropwizard 1.2.8
Add release notes for Dropwizard 1.2.8

[ci skip]

(cherry picked from commit 27aa3d460f4d3c4fc621973c1665e6cc5e501594)

jplock/dropwizard,nickbabcock/dropwizard,pkwarren/dropwizard,micsta/dropwizard,jplock/dropwizard,dropwizard/dropwizard,micsta/dropwizard,mosoft521/dropwizard,nickbabcock/dropwizard,phambryan/dropwizard,dropwizard/dropwizard,micsta/dropwizard,pkwarren/dropwizard,Alexey1Gavrilov/dropwizard,Alexey1Gavrilov/dropwizard,phambryan/dropwizard,Alexey1Gavrilov/dropwizard,mosoft521/dropwizard,jplock/dropwizard,pkwarren/dropwizard,mosoft521/dropwizard,nickbabcock/dropwizard,dropwizard/dropwizard,phambryan/dropwizard