release v0.8.2

Merge branch 'devel' of github.com:broadinstitute/inferCNV

Merge pull request #54 from broadinstitute/devel

Devel

Update DESCRIPTION

Updated version number from 0.1 to 0.8

Merge pull request #25 from brianjohnhaas/devel

updated example data

fixing check_matrix_format.py exec permissions

Now an installable library.