Common/FileUtils.cpp
Common/FileUtils.hpp
* Added a function for checking whether a file exists.

Common/FunctionUtils.cpp
Common/FunctionUtils.hpp
* Added function for splitting a string into a vector of tokens.

ComputeMAP/.gitignore
* Ignored ComputeMAP executable.

ComputeMAP/ComputeMAP.cpp
ComputeMAP/Makefile
* Implemented application for computing mean average precision over a set of query files.

Makefile
* Added ComputeMAP executable to the compilation targets of the project.