This commit fixes an issue where certain server files were missing. Symbolic links are now created for the following files if they do not already exist: vphysics.so, studiorender.so, soundemittersystem.so, shaderapiempty.so, scenefilecache.so, replay.so, and materialsystem.so.
* improvements to steamclient.so fix
* added fix to install inconsistent location across distros
* added dev/null for master server
* XDG_DATA_HOME
* prevent check_last_update from restarting server if stopped
* Create symlinks after nmrih install
* Fixed missing space in nmrih elif statement
* Fixed variable assignment in nmrih_symlinks
* nmrih_symlinks now use pre-existing location var
* Double quotes added in install_nmrih_symlinks
* Changed nmrih symlinks from install to fix