Optimize tokens, add character generator, weapons can be drag and drop into toolbar, add drag and drop of item between actor

[maqloner]

Changes

• Optimized all tokens.
• Add a configurable character generator.
• Add a button to generate a character in the Actor directory.
• Add a button to regenerate a character in the actor sheet.
• Items can be drag and drop between actors.
• Inventory items are now sorted by name with the equipped items on top
• Weapons can be drag and drop into the toolbar for a shortcut to attacking.
• Add basic support for initiative.
• Characters are now created with token vision and a friendly disposition.
• Add a missing token for cart, and add it as an item for the character generator
• Update torch to use 1 slot instead of 0.5
• Update a single rations to use 1 slot instead of 0.5
• Slot calculation now only count the number of slots

About the character generator

• All the roll tables has been redone and add to a new "Character Creation Tables - SRD"" compendium.
• Compendiums don't needs to be imported into the world for the character generator to work.
• The configuration is exposed through "game.cairn.config.characterGenerator".
• Character generator code is exposed through "game.cairn.characterGenerator" if a macro want to use them directly.
• The code and roll tables related to the old macro hasn't been modified.