updated orbital relaxation contribution to the F12 1e density
configure check Boost thread and system library
Documentation update:
  - started to organize old code into doxygen Modules

http://valeev.chem.vt.edu:8080/browse/MPQC-100
Documentation update:
  - made module naming system more systematic
  - continuing to organize old code into doxygen Modules

http://valeev.chem.vt.edu:8080/browse/MPQC-100
More documentation updates.

Update documentation
http://valeev.chem.vt.edu:8080/browse/MPQC-100
More documentation updates.

Update documentation
http://valeev.chem.vt.edu:8080/browse/MPQC-100
do not update reconf.sh if dry running configure
do not update reconf.sh if dry running configure
Merge branch 'master' of https://github.com/ValeevGroup/mpqc

Conflicts:
	configure
Check whether MADNESS Fortran integer width matches that given to MPQC.
Fixed a bug in MolecularHessian::cartesian_to_symmery() that showed up in SCF frequency tests in check0.
Fixed bug in MPIMessageGrp related to premature destruction of MPIMessageGrp::grplock
Re-enabled option to set normalization convention of IntegralLibint2. The default is c/a, which means for example that only x^2, y^2, and z^2 are normalized to unity. Set cmake variable INTEGRALLIBINT2_NORMCONV to 2 to switch to exact normalization (that won't work with Psi3, etc.).
libint2test now compiles and runs.
More documentation updates.

Update documentation
http://valeev.chem.vt.edu:8080/browse/MPQC-100
Removed R12Technology::stg_to_g12
generic OSARR evaluator works for coulomb, delta, and all f12 kernels

MPQC-99 Compute 1 integral type/DistArray4
http://valeev.chem.vt.edu:8080/browse/MPQC-99
Updated IntDescrFactory to know about new TwoBodyOperSets
TA-based code now uses 1 operator type per DistArray4.

MPQC-99 Compute 1 integral type/DistArray4
http://valeev.chem.vt.edu:8080/browse/MPQC-99
Pacified complaints about stray typename from old gcc … very old (4.1.2)