Fixes the cross-site linker template to account for the change, probably in revision
3901, that the strongName variable passed to the linker templates no longer
includes .cache.js on the end.

This also adds test cases that the standard three linkers of GWT are basically
working.

Review by: fabbot (pair prog)

git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@4101 8db76d5a-ed1c-0410-87a9-c151d255dfc7
10 files changed