* Purge includes
* Remove unused files
* Always use explicit std namespace
* Simplify code when searching for map data on subregions.
* Minor changes on CodedInputStream management.
* Add reference and const to some args and methods.
* Refactor for 'closeBinaryMapFile'.
* Purge rendering code.
* Remove unused code.
* Remove unused method arguments.
* Apply const, references... when necesary.
* Little changes to improve performance.
* Comment some code about unused elements on rendering rules.
* Remove unused arguments on calls.
* More on const and reference uses.
* Change class attribute to local variable where used as a auxiliar variable.
* Add vector improvment on 'readRouteTreeData'.
* Use standard function.
* Add comments to show callers of code.