Make exception message when Merb cannot find template explain what it was looking for (and what's the content type).
Make exception message when Merb cannot find template explain what it was
looking for (and what's the content type).

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