CMake: Fixed mismatching library vs app builds.
Implented OnPlayerFishing and OnPlayerFished.
Documented OnPlayerFished and OnPlayerFishing.
implemented the recommendations Xoft gave.
Merge pull request #480 from mc-server/CmakeNonMixed

CMake: Fixed mismatching library vs app builds.
Fixed GetPhysicalRAMUsage on Linux
Merge pull request #497 from xdot/master

Fixed GetPhysicalRAMUsage on Linux
Fixed typo's in the documentation.
OnPlayerFishing doesn't have a const cItems anymore
Using documentation Xoft recommended.
Little more documentation for OnPlayerFishing.
Merge branch 'FishingHook'