Base for #26

This PR includes some basic stuff. Nothing would be "fixed" only some preparation for further work.

- Creating npc_monstersay_localized and included in LocalizationMgr
- reordering cmake stuff (cmake_modules -> cmake)
- Updating Copyright in most files
- Creating a beatiful Readme :P 
- Adding a section "info" to readme
- Updating Spell description and declarations for further work
- Correct some old declarations which where wrong...
- Prepared SpellEffedt functions