Amend current changes and push (inc. submodules). ([apush])

Alternatives: [amend-push], [amend-push-submobules].

Similar: [commit-push], [amend-push], [clone-init-submodules].

$ egit amend-push

Amend and push changes in "wiki" submodule and main repo
$ egit clone-init-submodules nodef/extra-git
$ cd extra-git
$ echo "Web graphs" > README.md
$ echo "web-NotreDame" > wiki/graphs.md
$ egit amend-push

[apush]: https://github.com/nodef/extra-git/wiki/apush
[commit-push]: https://github.com/nodef/extra-git/wiki/commit-push
[amend-push]: https://github.com/nodef/extra-git/wiki/amend-push
[clone-init-submodules]: https://github.com/nodef/extra-git/wiki/clone-init-submodules
[amend-push-submobules]: https://github.com/nodef/extra-git/wiki/amend-push-submobules