[ticket/14891] Use own proxy instantiator for open_basedir compatibility

Also reverted random_compat lib to 1.4.x.

PHPBB3-14891

phpBB/composer.lock

@@ -4,8 +4,8 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "hash": "9e6c5df052c3e795ad5985862bbb5797",
-    "content-hash": "47456b70d82a0df10e5faa0a3dc1c2ae",
+    "hash": "067b099cc97334a6a08a77e5648aa260",
+    "content-hash": "90198ca524b93a7e915aa6916b2f55af",
     "packages": [
         {
             "name": "bantu/ini-get-wrapper",
@@ -460,16 +460,16 @@
         },
         {
             "name": "paragonie/random_compat",
-            "version": "v2.0.4",
+            "version": "v1.4.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/paragonie/random_compat.git",
-                "reference": "a9b97968bcde1c4de2a5ec6cbd06a0f6c919b46e"
+                "reference": "c7e26a21ba357863de030f0b9e701c7d04593774"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/paragonie/random_compat/zipball/a9b97968bcde1c4de2a5ec6cbd06a0f6c919b46e",
-                "reference": "a9b97968bcde1c4de2a5ec6cbd06a0f6c919b46e",
+                "url": "https://api.github.com/repos/paragonie/random_compat/zipball/c7e26a21ba357863de030f0b9e701c7d04593774",
+                "reference": "c7e26a21ba357863de030f0b9e701c7d04593774",
                 "shasum": ""
             },
             "require": {
@@ -504,7 +504,7 @@
                 "pseudorandom",
                 "random"
             ],
-            "time": "2016-11-07 23:38:38"
+            "time": "2016-03-18 20:34:03"
         },
         {
             "name": "patchwork/utf8",