ruby 1.9.1
Made a few minor changes as documented in #625; this should close #625
Removing old backup stuff per #415
Missed two places backup was hiding on #415
Remove postgres db config.
Remove trailing slash from closure symlink.

per commend on 42698f098b6f0de43c2ea83787a03b5e468cbd17.
Merge branch 'master' of https://github.com/concerto/concerto into ruby1.9.1
switch ruby