GIT - submodules
#UPDATES ALL SUBMODULES
#In Main project
#If its the first time:
git submodule update --init --recursive
#If not
git submodule foreach git pull origin master#COMMIT AND PUSH ALL SUBMODULES
#In Main project
git submodule foreach 'git add .' #recursively add files in submodules
git submodule foreach 'git commit -a -m "Altered submodule" || :'
git add --all :/
git commit -am "Altered submodule"
git push --recurse-submodules=on-demand