Merge pull request #66 from zijistark/vf

VF laws, legalization faction / ultimatum series / CB
Small nerf to levy & liege levy defines
Class opinion fixes for liberal/conservative
Dynlevy codegen: Genius Plan I
Dynlevy Genius Plan II: Still Empty Buttons!
Application of newest dynlevy codegen
Merge pull request #69 from zijistark/dynlevy

dynlevy laws now survive save/restore & some more
Updated changelog & de-uglified placeholder trait icon
Copied liege levy defines.lua tweaks to EMF+SWMH
Tweaked retinue defines: 5x PB hire, vanilla constant, PB increase/tech
Demesne law codegen: Rebalancing, simpler tax law
Application of new demesne law codegen
Merge pull request #70 from zijistark/demesne-law

Demesne law rebalancing, simplification of tax axis
Integrating PB crown laws

Preparing to defuse decentralized HRE and themes system re: levies.
Merge branch 'demesne-law' into beta
More PB crown law integration
Un-nerfed HRE/Byzantine levy laws/modifiers
Fixes to nonexistent events reffed from on_actions (thx, vanilla)
Updated changelog
Removed conservative trait