Added Makefile as a convenient way to run any or all unit tests.

Author: Lethja

meta/test/Makefile

@@ -0,0 +1,11 @@
+MAKEFILE_DIR := $(patsubst %/,%,$(dir $(abspath $(lastword $(MAKEFILE_LIST)))))
+
+DIRS := $(wildcard $(MAKEFILE_DIR)/*/)
+TARGETS := $(notdir $(patsubst %/,%,$(DIRS)))
+
+.PHONY: all $(TARGETS)
+
+all: $(TARGETS)
+
+$(TARGETS):
+	@cd $(MAKEFILE_DIR)/$@ && ./test.sh