Add missing entrypoint

Author: TheAssassin

travis/entrypoint.sh

@@ -0,0 +1,9 @@
+#! /bin/bash
+
+# get a compiler that allows for using modern-ish C++ (>= 11) on a distro that doesn't normally support it
+# before you ask: yes, the binaries will work on CentOS 6 even without devtoolset (they somehow partially link C++
+# things statically while using others from the system...)
+# so, basically, it's magic!
+source /opt/rh/devtoolset-*/enable
+
+exec "$@"