updated kernel.rb documentation
updated kernel.rb documentation

documentation for Kernel#use_orm and Kernel#use_test reference
Merb.root/dependencies.yml instead of Merb.root/config/init.rb

Signed-off-by: Michael D. Ivey <61b7b289766e9ecebf0145c0b7e626d828d24330@gweezlebur.com>

merb/merb,wycats/merb,wycats/merb,wycats/merb,wycats/merb,benburkert/merb-core,merb/merb,wycats/merb,merb/merb,benburkert/merb-core