Remove append mode from STDOUT.reopen

This causes problems when used in conjunction with `zeus rake`

Is there a real need for it? If not, this makes it work. Thanks!
Bump rails to 3.2.11
Bump rails 3.0.17 to 3.0.20
Bump rails 2.3.14 to 2.3.16
Update README: 2009 <-> 2013 [ci skip]
Bump rails 3.1.8 to 3.1.10
Do no test against ruby 1.9.2

Highly recommended to use 1.9.3
Merge pull request #338 from aaronjensen/patch-1

Remove append mode from STDOUT.reopen