Merge branch '309-add-detection-of-sles-to-function-std-get_os_release' into 'master'

Resolve "add detection of SLES to function std::get_os_release()"

Closes #309

See merge request Pmodules/src!288

Pmodules/libstd.bash

@@ -191,6 +191,9 @@ std.get_os_release_linux() {
 		ubuntu )
 			echo "Ubuntu${VERSION_ID%.*}"
 			;;
+		suse )
+			echo "sles${VERSION_ID%.*}"
+			;;
 		* )
 			echo "Unknown"
 			exit 1