clean

Signed-off-by: Deleterios <deleterios@gmail.com>
Merge branch 'master' of github.com:zirafe/zirafe
optipng

Signed-off-by: Deleterios <deleterios@gmail.com>
merge from zirafe/zirafe

Signed-off-by: Deleterios <deleterios@gmail.com>
Merge branch 'master' of github.com:zirafe/zirafe
Merge branch 'master' of github.com:zirafe/zirafe
Merge branch 'master' of github.com:zirafe/zirafe
Merge branch 'master' of github.com:zirafe/zirafe
update head (title+charset)

Signed-off-by: Deleterios <deleterios@gmail.com>
disable submit button if submited (#20)

Signed-off-by: Deleterios <deleterios@gmail.com>
Merge branch 'master' of github.com:zirafe/zirafe