patch 7.4.1550
Problem:    Cannot load packages early.
Solution:   Add the ":packloadall" command.
diff --git a/src/proto/ex_cmds2.pro b/src/proto/ex_cmds2.pro
index e10f072..1f11774 100644
--- a/src/proto/ex_cmds2.pro
+++ b/src/proto/ex_cmds2.pro
@@ -62,8 +62,7 @@
 void ex_runtime(exarg_T *eap);
 int source_runtime(char_u *name, int all);
 int do_in_runtimepath(char_u *name, int all, void (*callback)(char_u *fname, void *ck), void *cookie);
-void source_packages(void);
-void ex_loadplugin(exarg_T *eap);
+void ex_packloadall(exarg_T *eap);
 void ex_packadd(exarg_T *eap);
 void ex_options(exarg_T *eap);
 void ex_source(exarg_T *eap);