Remove SWT, collapse dev platforms to a single one, rewrite runstyles to new API. TODO: ant checkstyle fails, need better handling of argument processing errors for runstyles. Patch by: jat Review by: amitmanjhi, rjrjr (TBR) git-svn-id: https://google-web-toolkit.googlecode.com/svn/branches/farewellSwt@6169 8db76d5a-ed1c-0410-87a9-c151d255dfc7