Add an helper to update subprojects git repos
-rw-r--r-- 22 .gitignore
-rw-r--r-- 25299 LICENSE
-rw-r--r-- 707 README.md
-rwxr-xr-x 2933 configure
-rwxr-xr-x 2120 git-update
-rwxr-xr-x 5106 gst-uninstalled.py
-rw-r--r-- 1362 meson.build
drwxr-xr-x - subprojects