Added handling for db_pkg install for sqlite

* Added test case for sqlite db_type
* Added CHANGELOG.md
* Version bump to 7.0.1

Fixes bug: 1246175

Change-Id: Ieae7d5d75daaa06d65a4a38b4f5b00deb37e45f4

spec/server_spec.rb

@@ -31,6 +31,13 @@ describe "openstack-identity::server" do
       expect(chef_run).not_to include_recipe "openstack-common::logging"
     end
 
+    it "converges when configured to use sqlite db backend" do
+      chef_run = ::ChefSpec::ChefRunner.new ::UBUNTU_OPTS
+      node = chef_run.node
+      node.set["openstack"]["db"]["identity"]["db_type"] = "sqlite"
+      chef_run.converge "openstack-identity::server"
+    end
+
     it "installs mysql python packages" do
       expect(@chef_run).to install_package "python-mysqldb"
     end