(SERVER-1304) Upgrade to ezbake 0.2.12
(SERVER-1304) Upgrade to ezbake 0.2.12

This commit bumps us up to ezbake 0.2.12, which includes a backport
of the master ezbake branch's change to stop setting
-XX:+HeapDumpOnOutOfMemoryError by default.

shrug/puppet-server,camlow325/puppetserver,waynr/puppet-server,camlow325/puppet-server,puppetlabs/puppet-server,shrug/puppet-server,rlinehan/puppet-server,rlinehan/puppet-server,er0ck/puppetserver,puppetlabs/puppetserver,waynr/puppetserver,erikPrime/puppetserver,erikPrime/puppet-server,erikPrime/puppet-server,erikPrime/puppetserver,briancain/puppet-server,waynr/puppet-server,rlinehan/puppet-server,waynr/puppetserver,camlow325/puppet-server,briancain/puppet-server,er0ck/puppetserver,shrug/puppet-server,camlow325/puppetserver,puppetlabs/puppet-server,rlinehan/puppetserver,shrug/puppet-server,briancain/puppet-server,camlow325/puppet-server,puppetlabs/puppet-server,er0ck/puppetserver,erikPrime/puppetserver,waynr/puppetserver,puppetlabs/puppetserver,puppetlabs/puppetserver,rlinehan/puppetserver,erikPrime/puppet-server,rlinehan/puppetserver,puppetlabs/puppetserver,waynr/puppet-server,rlinehan/puppetserver,camlow325/puppetserver,camlow325/puppetserver,er0ck/puppetserver