[12409] Allow spell effect 77 (ScriptEffect) and aura 226 (PeriodicDummy) to be handled by script library

Close #88
[12410] Add stacking exception for spells 53456 and 53421
[12411] Improve target selection for TARGET_BEHIND_VICTIM

Also add custom radius for spell 49376 because of missing DBC data

Close #101
[12412] Improve debug log output for learning/unlearning spells/skills. Thanks to NeatElves for pointing
Fix typos, Thanks to Vladimir for pointing
[12413] CMake cleanup

* remove unused code
* add TODOs
* move all options to one place
* add all options to the information output
* mark most output as STATUS
[12414] CMake: strip the trailing newline from ${GIT_RESULT}