adjust four center indices for 10x10 grid
add adjustment to slightly offset planets from grid
Merge branch 'gh-pages' of github.com:GTLudumDare/ludum-dare-30 into gh-pages
Merge branch 'master' into gh-pages
Merge branch 'master' into gh-pages
Merge branch 'master' into gh-pages
Merge branch 'master' into gh-pages
Merge branch 'master' into gh-pages