Merge pull request #1029 from nicolas-grekas/psr7

mv symfony/psr7-pack symfony/psr7-meta

Author: fabpot

symfony/psr7-pack/1.0/config/packages/psr_http_message_bridge.yaml renamed to symfony/psr7-meta/1.0/config/packages/psr_http_message_bridge.yaml

@@ -1,5 +1,5 @@
 {
-    "aliases": ["psr7", "psr-7", "psr17", "psr-17"],
+    "aliases": ["psr-7", "psr-17"],
     "copy-from-recipe": {
         "config/": "%CONFIG_DIR%/"
     }