Added all files from gwt-dispatch library on Google Code rev 318ba1caeefd
Commited revision d3a16a96f376 from pillingworthz-gwt-dispatch-osgi
Added version for Spring framework to cover versions >= 2.5 to < 4.
Added pillingworthz-gwt-dispatch-osgi revision 84b41c0365fe
Change artifact id so can deploy to maven and not conflict with original.
Make sure code is 1.5 source compatible.