Update to OpenLayers 2.6 when released

[madair]

(In [1342]) re #5: initial version using OL trunk

[madair]

(In [1347]) re #5: files in /lib use OpenLayers.Class for inheritance

[madair]

(In [1348]) re #5: Map object files use OpenLayers.Class for inheritance

[madair]

(In [1351]) re #5: all Ajax requests switched to use OpenLayers.AjaxRequest?

[madair]

(In [1355]) re #5: change Function.bind to OpenLayersFunction?.bind

[madair]

(In [1357]) re #5: update to OL 2.6 RC1

[madair]

(In [1377]) re #5: update to use OpenLayers 2.6; including changes to use: - OpenLayers.Ajax.Request - OpenLayers.Class for inheritance - OpenLayers.Lang classes

[madair]

(In [1378]) re #5: fix error in DistanceMarker? from conversion

[madair]

(In [1381]) re #5: remove extra {

[madair]

(In [1382]) re #5: changes to allow existing apps to work properly and prep for a single file build (copied OL bootstrapping method)

[madair]

(In [1383]) re #5: use smaller custom build of OpenLayers

[madair]

(In [1384]) re #5: use smaller custom build of OpenLayers

[madair]

(In [1411]) re #5: fix problem with OL.bindAsEventListener to pass in extra args