docs: use Log (capital L) throughout
docs: use Log (capital L) throughout

A Log uses glog for logging.

AlCutter/certificate-transparency,eranmes/certificate-transparency,eranmes/certificate-transparency,google/certificate-transparency,phad/certificate-transparency,AlCutter/certificate-transparency,grandamp/certificate-transparency,AlCutter/certificate-transparency,lexibrent/certificate-transparency,google/certificate-transparency,phad/certificate-transparency,AlCutter/certificate-transparency,google/certificate-transparency,eranmes/certificate-transparency,pphaneuf/certificate-transparency,grandamp/certificate-transparency,RJPercival/certificate-transparency,eranmes/certificate-transparency,eranmes/certificate-transparency,eranmes/certificate-transparency,lexibrent/certificate-transparency,lexibrent/certificate-transparency,google/certificate-transparency,RJPercival/certificate-transparency,RJPercival/certificate-transparency,grandamp/certificate-transparency,AlCutter/certificate-transparency,phad/certificate-transparency,grandamp/certificate-transparency,AlCutter/certificate-transparency,phad/certificate-transparency,RJPercival/certificate-transparency,pphaneuf/certificate-transparency,lexibrent/certificate-transparency,eranmes/certificate-transparency,pphaneuf/certificate-transparency,AlCutter/certificate-transparency,pphaneuf/certificate-transparency