trunk: small cosmetic changes

git-svn-id: https://svn.code.sf.net/p/kaldi/code/trunk@4516 5e6a8d80-dfce-4ca6-a32a-6e07a63d50c8
trunk: Add support for Mac OS X 10.10.

git-svn-id: https://svn.code.sf.net/p/kaldi/code/trunk@4517 5e6a8d80-dfce-4ca6-a32a-6e07a63d50c8
trunk: Fixes various small issues reported by Clang-6.0.

Includes fixes for
- compiler errors due to unqualified type names,
- compiler warnings related to const correctness and uninitialized variables,
- and a few other bugs.

git-svn-id: https://svn.code.sf.net/p/kaldi/code/trunk@4518 5e6a8d80-dfce-4ca6-a32a-6e07a63d50c8