(PDB-347) Add docs for new CRL and cert-chain TK features
(PDB-347) Add docs for new CRL and cert-chain TK features

puppetlabs/puppetdb,shrug/puppetdb,waynr/puppetdb,puppetlabs/puppetdb,waynr/puppetdb,kbrezina/puppetdb,wkalt/puppetdb,rbrw/puppetdb,senior/puppetdb,wkalt/puppetdb,ajroetker/puppetdb,mullr/puppetdb,johnduarte/puppetdb,waynr/puppetdb,senior/puppetdb,johnduarte/puppetdb,kbrezina/puppetdb,ajroetker/puppetdb,shrug/puppetdb,kbrezina/puppetdb,shrug/puppetdb,rbrw/puppetdb,shrug/puppetdb,mullr/puppetdb,highb/puppetdb,mullr/puppetdb,ajroetker/puppetdb,puppetlabs/puppetdb,senior/puppetdb,puppetlabs/puppetdb,kbarber/puppetdb,rbrw/puppetdb,grimradical/puppetdb,wkalt/puppetdb,grimradical/puppetdb,kbarber/puppetdb,johnduarte/puppetdb,grimradical/puppetdb,wkalt/puppetdb,rbrw/puppetdb,rbrw/puppetdb,puppetlabs/puppetdb,johnduarte/puppetdb,kbarber/puppetdb,grimradical/puppetdb,kbarber/puppetdb,highb/puppetdb,kbrezina/puppetdb,mullr/puppetdb,mullr/puppetdb,highb/puppetdb,waynr/puppetdb,highb/puppetdb,ajroetker/puppetdb,senior/puppetdb