Add BaseTypes docs.

git-svn-id: http://svn.openlayers.org/trunk/openlayers/doc@1268 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

Bounds.txt

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+OpenLayers.Bounds
+
+This class represents a bounding box. Data stores as left, bottom, right, top floats.
+
+* Constructor
+  OpenLayers.Bounds(left, bottom, right, top) -- Create new Bounds.
+
+* Methods
+  clone() -- {OpenLayers.Bounds} -- Return copy of the current bounds.
+  toString() -- {String} -- Return bounds as string. 
+  toBBOX() -- {String} -- Return bounds as simple string, usable for WMS.
+  getWidth() -- {float} -- Return width of bounds.
+  getHeight() -- {float} -- Return height of bounds.
+  getSize() -- {OpenLayers.Size} -- Return size of bounds.
+  getCenterPixel() -- {OpenLayers.Pixel} -- Return center of bounds as pixel.
+  getCenterLonLat() -- {OpenLayers.LonLat} -- Return center of bounds as LonLat.
+  equals({OpenLayers.Bounds|bounds}) -- {Boolean} -- whether or not the bounds are equivilant.
+  add({float|x}, {float|y}) -- {OpenLayers.Bounds} -- Shift bounds by x and y. 
+  contains({float|x}, {float|y}, {Boolean|inclusive}) -- {Boolean} -- Return Whether or not the passed-in coordinates are within this bounds 
+  containsBounds({OpenLayers.Bounds|bounds}, {Boolean|partial}, {Boolean|inclusive}) -- {Boolean} -- Returns whether or not the passed-in OpenLayers.Bounds object is contained within this bounds. partial indicates whether bounds must be contained or only overlap. Inclusive determines whether border is included.
+  determineQuadrant({OpenLayers.LonLat|lonlat}) -- {String} -- Determine which quadrant the LonLat is in. Returns combination of "b" or "t" and "l" or "r".

LonLat.txt

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+OpenLayers.LonLat
+
+This class represents a geographic coordinate pair, either projected or unprojected.
+
+* Constructor
+  OpenLayers.LonLat({float|lon}, {float|lat}) -- Create LonLat.
+
+* Methods
+  toString() -- {String} -- Converts to human readable string.
+  toShortString() -- {String} -- Converts to short human readable string.
+  clone() -- {OpenLayers.Size} -- Returns a copy of the pixel.
+  equals({OpenLayers.LonLat|ll}) -- {Boolean} -- Compares two LonLats. 
+  add({int|lon}, {int|lat}) -- {OpenLayers.LonLat} -- add x and y to the current coordinates.

Pixel.txt

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+OpenLayers.Pixel
+
+This class represents a screen coordinate in x and y coordinates.
+
+* Constructor
+  OpenLayers.Pixel({float|x}, {float|y}) -- Create Pixel.
+
+* Methods
+  toString() -- {String} -- Converts to human readable string.
+  clone() -- {OpenLayers.Pixel} -- Returns a copy of the pixel.
+  equals({OpenLayers.Pixel|px}) -- {Boolean} -- Tests for equivilance.
+  add({int|x}, {int|y}) -- {OpenLayers.Pixel} -- add x and y to the current coordinates.
+  offset({OpenLayers.Pixel|pixel}) -- {OpenLayers.Pixel} -- Add pixels together.

Size.txt

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+OpenLayers.Size
+
+This class represents a width/height pair.
+
+* Constructor
+  OpenLayers.Size({float|h}, {float|w}) -- Create Size.
+
+* Methods
+  toString() -- {String} -- Converts to human readable string.
+  clone() -- {OpenLayers.Size} -- Returns a copy of the pixel.
+  add({int|x}, {int|y}) -- {OpenLayers.Size} -- add x and y to the current coordinates.