Common/include/DynamicMat.hpp
* Documented methods DynamicMat::empty and DynamicMat::release.

Common/src/DynamicMat.cpp
* Fixed bug in method DynamicMat::row, placing matrix at the position pointed by the iterator instead of inserting it.
* In method DynamicMat::row, validating descriptors index to be in range.
* In method DynamicMat::empty, deallocating cache by swaping content with a vector of same size with empty matrices.

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

KMajorityLib/include/CentersChooser.h
* Comments cleaning.

Makefile
* Cleaning and building libcommon and libvocab on the test target.