Cholesky decomposition is stable; It is not necessary to carry it out
internally at double precision if the result will be truncated to single
precision when stored.

Add check for CUDA version >= 7.0 (currently in RC1), which drops support for arches 1.x.

biicode docs added with fixes
fixed biicode docs

added biicode docs
added biicode docs

fixed #include typos

fixed whitespaces and tabs in indent

fixed whitespaces

small fixes

fixed trailing whitespace

trial fix #includes

fixed #includes

fixed link and branch name