Add "float_warnings" patchsets for 1.9.3-p547, 2.0.0-p481 and 2.1.2
Merge pull request #3004 from knugie/master

Add "float_warnings" patchsets for 1.9.3-p547, 2.0.0-p481 and 2.1.2
add ruby 1.9.2p330