Add a function to get the area from an abbreviation

Also, build-abbreviations on namespace load.
Add a comment about list of all abbreviations
Add a comment about the countries map
Change to using correct diplomacy terminology
Add a short glossary of Diplomacy terms
Sketch out a function to initialize the board
Add data structure describing the starting pieces
Add functions for placing the starting pieces on the board
Reformat add-unites for country more nicely
Add a function for decomplecting province movement type from sc type

Also, use namespaced keywords instead of raw ones
Update province data with decomplected types
Remove neutral and impassable switzerland from the province list
Define predicates for identifying coastal provinces
Add a function for changing the province list to mark coastal provinces
Make land-locked? usable as a filter predicate provinces
Add function for updating land-locked provinces to "inland"
Implement HOF transform-when

Used for selectively updating values (using a function) in a
map/collection that match a given predicate.
Reindent landlocked? case statement
Add function that makes provinces use sorted maps internally
Split :land provinces into :inland and :coastal