Starting DB implementation.

Added Makefile, id_counter.erl, and yaws.conf.
Created ts_common module. Will contain common DB code. So far only list/3.
Created ts_timeline module. DB code for storing timeline entries.
Created ts_entry module, DB code for storing timelin entries.

Makefile

@@ -0,0 +1,38 @@
+MODS = $(wildcard src/*.erl)
+BEAMS = $(MODS:src/%.erl=ebin/%.beam)
+TEST_MODS = $(wildcard test/*.erl)
+TEST_BEAMS = $(TEST_MODS:test/%.erl=test/%.beam)
+
+all : compile test
+
+compile : $(BEAMS)
+
+compile-test : $(TEST_BEAMS)
+
+test : start-test-server run-test stop-test-server
+
+test-shell : compile compile-test
+	@echo Starting an interactive YAWS shell with test paths loaded.
+	@yaws -i --pa test --id test_inst
+
+run-test : compile compile-test
+	@erl -pa ./ebin -pa ./test -run timestamper_api_tests test -run init stop -noshell
+
+start-test-server :
+	@yaws -D --id test_inst
+
+stop-test-server :
+	@yaws --stop --id test_inst
+
+clean:
+	rm -rf ebin/* erl_crash.dump test/*.beam
+
+init:
+	-mkdir ebin
+
+ebin/%.beam : src/%.erl
+	erlc -W -o ebin $<
+
+test/%.beam : test/%.erl
+	@echo Compiling sources...
+	erlc -W -o test $<