v2.1.5

Addressed Issues

The cli now generates istio samples for up to version 1.24.
When generating the isitio samples, the cli takes namespace into account when constructing the adapter address to call out to (previously it was statically set to "apigee")

bba87d0 Merge pull request #264 from apigee/v2.1.5
b4b4d26 Bumping apigee-remote-service-envoy version to 2.1.5
5df0313 Merge pull request #263 from apigee/fix-istio-samples
6311992 Remove proxy version filter and add namespace to templating for envoy config
18f194b Update istio templates to support newer istio versions. Main diff removing the proxy version constraint and using 'envoy.filters.network.http_connection_manager' and 'envoy.filters.http.router' instead of 'envoy.http_connection_manager' and 'envoy.router' respectively.