Fixed issue 1133

Fixed problems when parsing CDM with non pseudo inertial reference frame

Reduced code duplication in AbstractShortTermEncounter2DPOCMethod and AbstractShortTermEncounter1DNumerical2DPOCMethod

Added fieldify state covariance method in Fieldifier

Added @since 12.0 to all files added by this branch

Replaced CDM resources to use a real CDM as test reference

Reformatted all files

Updated changes.xml