Test against Rails 3.x
v1.0.2
Update copyright year to 2013
Remove warnings "method redefined"
Remove warnings "instance variable @{ivar} not initialized"
Remove warnings "mismatched indentations at 'end' with 'if'"
Remove warnings "`&' interpreted as argument prefix" in test
Remove warnings "instance variable @{ivar} not initialized" in test
Remove warnings "assigned but unused variable" in test