Resolve "Setup test proxy certificates and basic VOMS module testing"

First solution to issue #1 (closed) using the Openresty test-suite. Proposals for the simplest test cases.

t/servroot/conf/nginx.conf

-worker_processes  1;
-daemon on;
-master_process off;
-error_log /home/build/ngx_http_voms_module/t/servroot/logs/error.log debug;
-pid       /home/build/ngx_http_voms_module/t/servroot/logs/nginx.pid;
-env MOCKEAGAIN_VERBOSE;
-env MOCKEAGAIN;
-env MOCKEAGAIN_WRITE_TIMEOUT_PATTERN;
-env LD_PRELOAD;
-env LD_LIBRARY_PATH;
-env DYLD_INSERT_LIBRARIES;
-env DYLD_FORCE_FLAT_NAMESPACE;
-#env LUA_PATH;
-#env LUA_CPATH;
-
-    env OPENSSL_ALLOW_PROXY_CERTS=1; 
-
-
-http {
-    access_log /home/build/ngx_http_voms_module/t/servroot/logs/access.log;
-    #access_log off;
-
-    default_type text/plain;
-    keepalive_timeout  68;
-
-    server {
-        error_log logs/error.log debug;
-        listen 8443 ssl;
-        ssl_certificate ../../certs/nginx_voms_example.cert.pem;
-        ssl_certificate_key ../../certs/nginx_voms_example.key.pem;
-        ssl_client_certificate ../../trust-anchors/igi-test-ca.pem;
-        ssl_verify_depth 10;
-        ssl_verify_client on;
-    }
-
-
-    server {
-        listen          1984;
-        server_name     'localhost';
-
-        client_max_body_size 30M;
-        #client_body_buffer_size 4k;
-
-        # Begin preamble config...
-
-        # End preamble config...
-
-        # Begin test case config...
-    location = / {
-        proxy_pass https://localhost:8443/;
-        proxy_ssl_certificate ../../certs/2.cert.pem;
-        proxy_ssl_certificate_key ../../certs/2.key.pem;
-    }
-
-        # End test case config.
-
-        location / {
-            root /home/build/ngx_http_voms_module/t/servroot/html;
-            index index.html index.htm;
-        }
-    }
-}
-
-
-
-#timer_resolution 100ms;
-
-events {
-    accept_mutex off;
-
-    worker_connections  64;
-}
-env ASAN_OPTIONS;