Basic test harness
code style
Merge branch 'master' of https://github.com/jDramaix/gss.gwt into spg_basic_test_harness

Conflicts:
	pom.xml
Fix build with rename
Merge pull request #16 from spg/spg_basic_test_harness

Basic test harness
Merge pull request #18 from spg/fix_build

Fix build with rename
update to the last version of google closure
Fix issue #21 : add alternate comment on properties created by a sprite.
Update README.md
Merge pull request #23 from jDramaix/jd_fix_issue_21

Fix issue #21 : add alternate comment on properties created by a sprite.
fix issue #22
Update README.md
Update README.md
Merge branch 'master' of https://github.com/jDramaix/gss.gwt into spg_update_gitignore