Improved event performance

Stability improvement (I hope).
- non ASCII characters and non-breaking spaces removed
- Placeholder units get a fully spelled out name instead of a blank space
- Placeholder units get descriptions
- All ritual descriptions placed in bottom of entry
- All rituals above level 3 made free (could cause crashes for mac-users)
- some deep copystats chains are flattened
- some general cleanup of file structure.

stat cleanup on a few markgraf units

Change to AI of Steward of the Earth and Stewardess of the lake

missing sprite fixed (again)

missing sprite

- Monkey Maharaja new ritual: Found Ashram
- Monkey Maharaja new units: White One Warrior, White One Tiger Rider, White One Pradhana
- Baron (King) gets a new ritual: Royal regiments
- Black Kobolds (murderer, shaman, slayer prophet, spider rider and dragon spawn) gets bleed affliction weapons instead of poison and disease
- Paladin ritual line revised. Now level 1 reveal evil, level 2 restoration, level 3 divine grace (single in-combat ressurection)
- bug fixes: Paladin rituals updated. AI marker charmresistant to avoid giving players access to AI bonuses. Shed gets proper dark blessing. Gladius Solis stats are fixed.

- Priest King knows 1 extra spell at level 1
- High Priest of the Sun knows 1 more spell at level 1 and 2
- Giant summoning rituals (call winter wolves etc) calls fewer creatures, now more in line with lesser elemental summoning
- removed double Call Winter Wolves ritual

- Cloud Lord new ritual: Cloak of Radiance.
- Siege Engines get single shot field attack
- small functionality change to rainbow prism attack (now a weaker color spray)
- decreased chance of harlequin and imp familiar results from imp summoning

bugfixes
- Troll Toll properly assigned to troll magic
- remaining vanara soulless get battleslow
- Fixed a potential perpetual respawn-loop of giant fungus in agartha

kaftar sprite fix