(MAINT) Bump project.clj to puppet-server 2.2.0 for release
(MAINT) Bump project.clj to puppet-server 2.2.0 for release

This commit bumps the version in the project.clj to 2.2.0 for release.

rlinehan/puppetserver,erikPrime/puppet-server,erikPrime/puppet-server,cprice404/puppet-server,puppetlabs/puppetserver,rlinehan/puppetserver,shrug/puppet-server,cprice404/puppet-server,rlinehan/puppetserver,puppetlabs/puppet-server,cprice404/puppetserver,cprice404/puppet-server,briancain/puppet-server,cprice404/puppetserver,cprice404/puppetserver,camlow325/puppetserver,camlow325/puppet-server,rlinehan/puppet-server,er0ck/puppetserver,erikPrime/puppetserver,rlinehan/puppetserver,waynr/puppet-server,rlinehan/puppet-server,shrug/puppet-server,puppetlabs/puppet-server,er0ck/puppetserver,waynr/puppetserver,rlinehan/puppet-server,er0ck/puppetserver,shrug/puppet-server,puppetlabs/puppetserver,shrug/puppet-server,er0ck/puppetserver,camlow325/puppetserver,camlow325/puppetserver,puppetlabs/puppet-server,waynr/puppetserver,briancain/puppet-server,puppetlabs/puppetserver,waynr/puppet-server,erikPrime/puppet-server,erikPrime/puppetserver,puppetlabs/puppetserver,waynr/puppet-server,briancain/puppet-server,waynr/puppetserver,camlow325/puppet-server,camlow325/puppetserver,camlow325/puppet-server,erikPrime/puppetserver