(PDB-601) Do not require query operator on reports endpoint
(PDB-601) Do not require query operator on reports endpoint

With this pull request, hitting the reports endpoint without a query argument
will return the full reports collection.  This behavior is consistent with
that of the nodes, facts, and resources endpoints.

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