- Moved ExteriorConnect from Connectivity to GridPatch
- Began setup of flux buffer data structures
- Moved initialization of TimestepSchemeStrang::LinearCombination
arrays to constructor (only initialized once)
Merge remote-tracking branch 'origin/master' into WorkingJEG

Conflicts:
	src/atm/TimestepSchemeStrang.cpp
	src/atm/TimestepSchemeStrang.h