Converted to AsciiBinder

This required moving files around in the repository and shifting
from a master.adoc structure to _topic_map.yml, etc.

README and Makefile modified slightly to reflect new build process

en-US/snippets/Features-HSM-GNUTLS-PIN.adoc

@@ -0,0 +1,18 @@
+
+int pin_function(void *userdata, int attempt, const char *token_url,
+                 const char *token_label, unsigned flags, char *pin, size_t pin_max)
+{
+  if (flags & GNUTLS_PIN_FINAL_TRY)
+    printf("This is the final try before locking!\n");
+  if (flags & GNUTLS_PIN_COUNT_LOW)
+    printf("Only few tries left before locking!\n");
+  if (flags & GNUTLS_PIN_WRONG)
+    printf("Wrong PIN has been provided in the previous attempt\n");
+
+  /* userdata is the second value passed to gnutls_pkcs11_set_pin_function()
+   * in this example we passed the PIN as a null terminated value.
+   */
+  snprintf(pin, pin_max, "%s", (char*)userdata);
+  return 0;
+}
+