Bump core version to 1.5.4.4.
treec4dd7b766c602b4256e11b50fd5e23a5f30a1e2b
-rw-r--r-- 26 .gitignore
drwxr-xr-x - arch
drwxr-xr-x - core
drwxr-xr-x - debian
drwxr-xr-x - gentoo
drwxr-xr-x - misc
drwxr-xr-x - release
drwxr-xr-x - themes