Please use git submodules and have one build process for all projects

[yurivict]

Currently there are 3 or 4 parts that need to build separately. I think all users would appreciate if it only required one command to build them all from one tree.

Please see the Git submodules documentation here: https://git-scm.com/book/en/v2/Git-Tools-Submodules

[sebjameswml]

Hi Yuri,
We agree that this would be very helpful for anyone trying to build SpineCreator.
Seb