Remove version text, add toggleable debug info(with commit hash!)

printHash.sh

@@ -0,0 +1,14 @@
+#!/usr/bin/bash
+
+> $1
+
+echo -n "#define GIT_SHA1 \"" > $1
+
+git --version 2>&1 >/dev/null
+GIT_IS_AVAILABLE=$?
+if [ $GIT_IS_AVAILABLE -ne 0 ]; then
+git rev-parse --short HEAD | tr -d '\n' >> $1
+fi
+
+echo "\"" >> $1
+echo "const char* g_GIT_SHA1 = GIT_SHA1;" >> $1