little better tests,
added virtual app paths

--HG--
rename : test_project/images/1x1.png => test_project/assets/images/1x1.png
rename : test_project/images/image.png => test_project/assets/images/image.png
rename : test_project/sprites/something/black.png => test_project/assets/sprites/something/black.png
rename : test_project/sprites/something/red.png => test_project/assets/sprites/something/red.png
rename : test_project/sprites/something/white.png => test_project/assets/sprites/something/white.png
rename : test_project/scss/app.scss => test_project/scss/test_simple.scss
rename : test_project/scss/test/_sprites.scss => test_project/scss/test_sprites.scss
normalized sprite url/filepaths handling,
updated example connector
Added tag v0.7 for changeset 88d6bcad21c1