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
renamed ini.c to ini.cpp to be rid of clang warning
Merge branch 'master' of https://github.com/stefanhendriks/Dune-II---The-Maker

Conflicts:
	makefile.osx