Adding some examples this should not be pushed I hope it doesn't get pushed.
Added a Fock build test to the dgemm examples folder.  Also fixed a small bug where leaving the number of repetitions on all the files in examples/dgemm would cause a segfault.
Added documentation to SizeArray class to clarify its intended use.
Minor modification to the way coordinate indices are calculated from an ordinal index.
Merge pull request #7 from evaleev/master

sync with evaleev fork: expression traits, more TWG conformance fixes, etc.
Fixed zero sized dimension checks.
Removed move constructor from SizeArray.
Merge pull request #3 from ValeevGroup/master

sync with VG::TA::Master