got rid of UnitMoveBehavior's destructor
changed to cmake
changed to smart pointers
added -std=c++11 flag to all makefiles
changed ctor assignments to initialization lists, got rid of compiler
warning, added one more smart pointer
fixed warnings
fix makefile for osx, although it still has a warning when linking
Fixes compiler warning
Added more TODOs: harvesting, selecting units, accessibility
Merge branch 'master' of https://github.com/stefanhendriks/Dune-II---The-Maker

Conflicts:
	README.md
Merge branch 'master' into feature/unit-foot-units

Conflicts:
	game.cpp
	makefile.mingw32
	makefile.osx
	makefile.ubuntu
	unit.cpp