tiles.rc: move pollution values from Java code to tiles.rc

This patch maintains exact values for every tile, even where it
is probably wrong.

git-svn-id: https://micropolis.googlecode.com/svn/trunk/micropolis-java@837 d9718cc8-9f43-0410-858b-315f434eb58c
pollution: airport's radar dish should emit pollution just like rest of airport

git-svn-id: https://micropolis.googlecode.com/svn/trunk/micropolis-java@838 d9718cc8-9f43-0410-858b-315f434eb58c
pollution: industrial zone animations should emit pollution

git-svn-id: https://micropolis.googlecode.com/svn/trunk/micropolis-java@839 d9718cc8-9f43-0410-858b-315f434eb58c
pollution: coal plant animated tiles should emit pollution

git-svn-id: https://micropolis.googlecode.com/svn/trunk/micropolis-java@840 d9718cc8-9f43-0410-858b-315f434eb58c
applyZone: rewrite to use tiles.rc annotations
refactor: introduce new CityDimension class to encapsulate width/height
refactor: make getZoneSizeFor return CityDimension (width AND height)
strictness: getZoneSizeFor must be called on a zone-center tile
cleanup: remove a bunch of unused tile constants
copyright: add copyright notice to tiles.rc
evalLog road test: let road/rail crossing count as road
cleanup: remove no-longer-used isFire()
cleanup: remove no-longer-used isRadioactive()
gui: scroll with middle-button

Hold-down middle button and drag to scroll map without using
scroll bars.  Contributed by askywhale (email, 2013-09-01)