Add convenience scripts

Changelog:
- Add build and run scripts for convenience
- Update lsan suppresion file

build.sh

@@ -0,0 +1,3 @@
+#!/bin/sh
+
+cd build/ && make -j4 && cd ..

lsan_supp.txt

@@ -1 +1,2 @@
 leak:X11
+leak:radeonsi_dri

run.sh

@@ -0,0 +1,3 @@
+#!/bin/sh
+
+LSAN_OPTIONS=suppressions=./lsan_supp.txt  ./build/$1