Fixed bug in PsiRASCI_RefWavefunction related to omit_uocc.
RESOLVED MPQC-90
fork off some R12 tests into check0 category
http://valeev.chem.vt.edu:8080/browse/MPQC-90
Changed magic # at the beginning of StateOut archive.
RESOLVED - issue MPQC-92: dftest does not compile 
http://valeev.chem.vt.edu:8080/browse/MPQC-92
Dereferencing null Ref<> is checked by assert.
SOAD now uses Def2-SV(P)/JK for density fitting.
Fixed Def2- fitting basis sets (many element names were erroneously capitalized).
Foxed minor typos.
Comment fix.
Fixed bus associated with Extern_RefWavefunction::magnetic_moment
Added conversion of Ref<> to bool.
RESOLVED [2]_S broken
http://valeev.chem.vt.edu:8080/browse/MPQC-95
Merge branch 'ci'
Merged with master