Revert "Change submodule URL from git:// to http://"
Revert "Change submodule URL from git:// to http://"

This reverts commit 19a6e24a11b76049feed76cbc5604a7fcb90ac14.

This was a local experiment that I pushed to Github accidentally.

JelteF/gitflow,oddnoc/gitflow,dhilgarth/gitflow,yonglehou/gitflow-1