moved package structure to trunk

Makefile

carbontracker.rc

carbontrackerjet.rc

da.rc

da/__init__.py

da/baseclasses/__init__.py

da/baseclasses/dasystem.py

da/baseclasses/obs.py

da/baseclasses/observationoperator.py

da/baseclasses/optimizer.py

da/baseclasses/platform.py

da/baseclasses/statevector.py

da/bin/readme_wrapper.txt

da/bin/tm5_mpi_wrapper.c

da/ct/__init__.py

da/ct/dasystem.py

da/ct/io.py

da/ct/obs.py

da/ct/optimizer.py

da/ct/standardvariables.py