Revert "Changements dans les modules (nouvelle version Express, mysql, ..)"

This reverts commit bdab795506.

node_modules/vary/HISTORY.md

@@ -1,3 +1,19 @@
+1.1.2 / 2017-09-23
+==================
+
+  * perf: improve header token parsing speed
+
+1.1.1 / 2017-03-20
+==================
+
+  * perf: hoist regular expression
+
+1.1.0 / 2015-09-29
+==================
+
+  * Only accept valid field names in the `field` argument
+    - Ensures the resulting string is a valid HTTP header value
+
 1.0.1 / 2015-07-08
 ==================