replacing calls to glog with revel.TRACE
Merge pull request #7 from iassic/replace/glogWithRevelLogs

replacing calls to glog with revel.TRACE

Next release of revel is supposed to use glob (see https://github.com/robfig/revel/tree/v1). That's why we moved from revel.TRACE to glob about 3 months ago. But v1 is still in development... We'll move back to glob when v1 is released.