(MAINT) Bump version for 2.6.1-stable-SNAPSHOT
(MAINT) Bump version for 2.6.1-stable-SNAPSHOT

This commit bumps the project.clj version to 2.6.1-stable-SNAPSHOT for a
future potential release.

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