Remove -e option from travis shell script

scripts/travis.sh

@@ -1,11 +1,11 @@
-#!/bin/sh -e
+#!/bin/sh
 
 export VALGRIND_CHECK=1
-make cmake CMAKE_EXTRA_FLAGS="-DCMAKE_INSTALL_PREFIX=$PWD/dist"
-make
+make cmake CMAKE_EXTRA_FLAGS="-DCMAKE_INSTALL_PREFIX=$PWD/dist" || exit 1
+make || exit 1
 echo "Running tests with valgrind..."
 if ! make test > /dev/null 2>&1; then
-	failed=$(ls src/testdir/valgrind.* || true)
+	failed=$(ls src/testdir/valgrind.*)
 	if [ -n "$failed" ]; then
 		echo "Memory leak detected" >&2 
 		cat src/testdir/valgrind.*
@@ -15,6 +15,6 @@ if ! make test > /dev/null 2>&1; then
 			echo ${t%%.*}
 		done	
 	fi
-	exit 2
+	exit 1
 fi
 make install