countkmers -> bvec
Separating bvec implementation from interface.

Added STYLE.
Refactored 32/64 bvec code.
Starting work on kmerizer unit tests.
Explicit includes (for Ubuntu).
Whitespace.
Merge branch 'master' of github.com:warelab/snapdragon

Conflicts:
	src/countkmers/bvec32.cpp
	src/countkmers/bvec32.h
	src/kmerizer/kmerizer.cpp
	src/kmerizer/kmerizer.h

Other coding style standardizations.
Standardized var names.