Add scripts to "make all" target

This prevents scripts being generated by "root" during "sudo make
install" phase.

Signed-off-by: Kai Krakow <kai@kaishome.de>

Makefile

@@ -7,7 +7,7 @@ MARKDOWN ?= markdown
 # allow local configuration to override above variables
 -include localconf
 
-default all: lib src test README.html
+default all: lib src scripts test README.html
 
 clean: ## Cleanup
 	git clean -dfx -e localconf