Added initial test comments for document extraction.
Added scipt for extraction xml attribute docs.
Added xml stylesheet for wiki.
Change shell to bash.
Intial documentation of item,types and sets.
Completed the inline docs for Power attributes.
Added inline docs for Avatar
Added docs for combat text.
Added inline docs for cutscenes.
Added inline docs for enemy groups.
Added inline docs for loot.
Fixed the wiki xslt
Fixes the fixed string list definition
Added inline docs for Map.
Fixed inline docs..
Added spacing in attribute docs.
Added section to attribute in inline doc.
Fixed copy/paste issue.
Create weapon_type key for items

This allows us to specify that an item can be wielded as a weapon
without relying on damage stats. It supports multiple weapon types so we
can have a "Swiss Army Knife" type of weapon with
`weapon_type=melee,ranged,mental`.
Allow arbitrary equip flags to be set

This commit does the following:
* Renames weapon_type to equip_flags does away with enumeration
* Replaces requires_*_weapon with requires_flags for powers