Fix .gitignore and add gwt/war to setup extension so gdx-setup.jar no longer fails
Merge remote-tracking branch 'coverslide/coverslide-gwt-files'
Update gwt/war/index to match Tom-Ski version
Merge pull request #1178 from coverslide/coverslide-gwt-files

Fix .gitignore and add gwt/war to setup extension so gdx-setup.jar no longer fails.