Do not specify a file extension when requiring ruby files
Do not specify a file extension when requiring ruby files

This is so that other Rubies, such as MacRuby, which compile the code
can require files and load the compiled file instead of the source file.

Signed-off-by: Mark Rada <e5b24fce49ef3ac2a0696bc7b87651fc6ab443e7@marketcircle.com>

tenderlove/i18n,godaddy/i18n,benternet/i18n,daniel-rikowski/i18n,viniciusnz/i18n,mattetti/i18n,xchanging-mm4/i18n,ducthanh/i18n,mrsimo/i18n,beni55/i18n,lypanov/i18n,iamjarvo/i18n,jay3126/i18n-custom,mrsimo/i18n,Bartuz/i18n,PikachuEXE/i18n,svenfuchs/i18n