Merge pull request #4 from BTAS/master

sync with BTAS/BTAS
Minor refinements.
Updated Tensor::range(size_t d) to work with latest Range interface.
Added RangeNd::extent(size_t) method called by Tensor::extent(size_t).
Merge pull request #5 from emstoudenmire/master

Fixing Tensor accessors
Merge branch 'master' of https://github.com/evaleev/BTAS

Conflicts:
	test/test.C
Now compiles with g++ 4.8.2 on OS X.
Merge branch 'master' of https://github.com/evaleev/BTAS
Merge pull request #17 from evaleev/master

Sync with evaleev/BTAS: can compile with g++ now