Recommend Neon 0.27.2.
Recommend Neon 0.27.2.

* configure.ac
  (NEON_RECOMMENDED_VER): Recommend Neon 0.27.2.

Approved by: kfogel

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion