Common/include/DynamicMat.hpp
* Increased cache size to 1 GB.

Common/tests/DynamicMat_test.cpp
* Removed unnecessary messages printed to standard output.

VocabLib/include/VocabTree.h
* Minor changes, fixed comment.

VocabLib/src/DirectIndex.cpp
* Using member access operator for pointers instead of the dereference
operator.