Revert "Trimmed the branch to only the 3rdparty/mini_maxwell sub directory"

This reverts commit 01433344ec8c9cbf8bd9079ff053b15d1799c235.
Rebase from 'upstream'
Trimmed the branch to only the 3rdparty/mini_maxwell sub directory
Revert "Trimmed the branch to only the 3rdparty/mini_maxwell sub directory"

This reverts commit 9b1d099da2fb524bcbffb8ebb17302fb863abfad.
Rebase from 'upstream' (no changes)
Trimmed the branch to only the 3rdparty/mini_maxwell sub directory