Release Candidate #3 for SCS v32

Second, hopefully-successful, try to get SSL to work on OSX
Non-English-language installs should now work
IWD Arcane Spells should now install properly even when some other mod has already added an IWD spell
Misc fixes to IWD spell-scroll distribution
NPC customisation now works properly when the PC is still first level
NPC customisation now gives creatures 10hp at start, not 1hp (the latter confuses various NPC pre-join scripts, notably causing Aerie to vanish)
NPC customisation is now more likely to cope with broken cre files in badly-coded NPC mods
Fixed other more minor glitches with NPC Customisation
Restored Davaeorn's AI, and fixed a bunch of other mage-AI issues shown up in the fix
Tweaks to the mage/priest AI for SRv4final
Fixes to acid-storm tonedown and to spell use if IWDification is being used rather than native IWD spells
Fixed minor compile bug on BG1NPC enforces
Stopped ranged creatures from wandering
Less misleading description of Stoneskin component
Fixed minor glitch in cleric/mage sequencer script
Fiends in Chain Contingency now summoned properly
Missing ini entry for elemental-arrow tonedown restored
Metadata in ini updated as per AlienQuake request