Minor cleanups and spellchecking.
Minor cleanups and spellchecking.

zaccharles/nodatime,zaccharles/nodatime,zaccharles/nodatime,zaccharles/nodatime,malcolmr/nodatime,malcolmr/nodatime,malcolmr/nodatime,jskeet/nodatime,zaccharles/nodatime,nodatime/nodatime,malcolmr/nodatime,jskeet/nodatime,BenJenkinson/nodatime,nodatime/nodatime,BenJenkinson/nodatime,zaccharles/nodatime