Merge branch 'master' into 'master'

Fix 'multiple definition' errors on some compilers.

See merge request !7

include/margo.h

@@ -187,7 +187,7 @@ hg_id_t margo_provider_register_name(
  *
  * \return unique ID associated to the registered function
  */
-inline hg_id_t margo_register_name(
+static inline hg_id_t margo_register_name(
     margo_instance_id mid,
     const char *func_name,
     hg_proc_cb_t in_proc_cb,