travis: skip sqlite and fix 2.5 compatibility

Makefile

@@ -34,9 +34,12 @@ ifeq ($(PYTHON_VER),2.6)
 	curl --progress-bar https://raw.github.com/collective/buildout.python/master/src/issue12012-sslv2-py26.txt > ssl.txt
 	cd $(PYTHON_PATH)/$(PYTHON_ARCHIVE) && \
 	patch -p0 < ../ssl.txt
+endif
+ifeq ($(PYTHON_VER),2.5)
+	sed -i 'from __future__ import with_statement' $(PYTHON_PATH)/$(PYTHON_ARCHIVE)/setup.py
 endif
 	cd $(PYTHON_PATH)/$(PYTHON_ARCHIVE) && \
-	./configure --prefix $(PYTHON_PATH) --with-zlib=/usr/include >/dev/null 2>&1 && \
+	./configure --prefix $(PYTHON_PATH) --without-sqlite --with-zlib=/usr/include >/dev/null 2>&1 && \
 	make  && \
 	make install >/dev/null 2>&1
 	@echo "Finished installing Python"