Versioned the server tests and created the upgrade and downgrade files

server/extension/Makefile

@@ -2,22 +2,13 @@
 # Once a version is released, it is not meant to be changed. E.g: once version 0.0.1 is out, it SHALL NOT be changed.
 EXTENSION = cdb_geocoder_server
 EXTVERSION = $(shell grep default_version $(EXTENSION).control | sed -e "s/default_version[[:space:]]*=[[:space:]]*'\([^']*\)'/\1/")
-SED = sed
-
-UPGRADABLE = \
-	0.0.1 \
-	$(END)
-
-UPGRADES = \
-	$(shell echo $(UPGRADABLE) | \
-		$(SED) 's/^/$(EXTENSION)--/' | \
-		$(SED) 's/$$/--$(EXTVERSION).sql/' | \
-		$(SED) 's/ /--$(EXTVERSION).sql $(EXTENSION)--/g')
 
 DATA = $(EXTENSION)--$(EXTVERSION).sql \
 	$(UPGRADES)
 
-REGRESS = $(notdir $(basename $(wildcard sql/*test.sql)))
+REGRESS = $(notdir $(basename $(wildcard test/$(EXTVERSION)/sql/*test.sql)))
+TEST_DIR = test/$(EXTVERSION)
+REGRESS_OPTS = --inputdir='$(TEST_DIR)' --outputdir='$(TEST_DIR)'
 
 # postgres build stuff
 PG_CONFIG = pg_config
@@ -30,9 +21,6 @@ $(DATA): $(SOURCES_DATA)
 	rm -f $@
 	cat $(SOURCES_DATA) >> $@
 
-$(EXTENSION)--%--$(EXTVERSION).sql: $(EXTENSION)--$(EXTVERSION).sql
-		cp $< $@
-
 all: $(DATA)
 
 # Only meant for development time, do not use once a version is released