Common/Makefile
* Disabled preprocessor directive which enables verbose of DynamicMat
class methods.

Common/src/DynamicMat.cpp
* Fixed bug about initializing cache list.
* In method DynamicMat::row, validating descriptor index parameter to be
in range.
* In method DynamicMat::row, changed condition for deciding whether
matrix is loaded or not.

Common/tests/DynamicMat_test.cpp
* Changed filename of the descriptors test file.

Makefile
* Added compilation targets for compiling and cleaning tests.

VocabLib/include/VocabTree.h
* Minor change, changed source file name in header comment.

VocabLib/tests/VocabTree_test.cpp
* Changed filename of the descriptors test file.
* Seeding random numbers generator with current time.
* Changed method for loading descriptors.