fix(proxy) set http_if_terminated false by default
fix(proxy) set http_if_terminated false by default

Assume a (very mildly) more agressive posture by disabling
interpretation of the X-Forwarded-Proto header in HTTPS-only APIs
by default when the client sent a plaintext connection.

Kong/kong,jebenexer/kong,shiprabehera/kong,Kong/kong,icyxp/kong,salazar/kong,Kong/kong,akh00/kong,Mashape/kong