fix 00_nmatrix_spec.rb#297  # FIXME: Actually test that values are correct.
Add 2.1.1 to yaml

Bug https://github.com/SciRuby/nmatrix/issues/214
Merge pull request #216 from thisMagpie/master

Add 2.1.1 to Travis
Merge pull request #213 from rve/issue_213

Fix complex_conjugate_bang test function
Merged new changes from parent branch