(PDB-597) Add trusty build default
(PDB-597) Add trusty build default

This includes trusty (Ubuntu 14.04) in our builds.

Signed-off-by: Ken Barber <470bc578162732ac7f9d387d34c4af4ca6e1b6f7@bob.sh>

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