Revise initial conditions for Current Clamp

i.e. No stimulus when SimulationMode = 'SAN'
clean-up: kuzumoto_et_al_2007_2.5Hz.em

number of space/tab characters was arranged.
Anoxya model regenerated from revised kuzumoto_et_al_2007_2.5Hz.em
update .gitignore
Avoid crash by NaN in Mitochondria
Merge branch 'Sprint2013-ynaito'