Add missing timestamps in CHANGELOGs

packages/abi-gen/CHANGELOG.json

@@ -6,8 +6,7 @@
                 "note": "Fix the abi-gen entry point in package.json",
                 "pr": 901
             }
-        ],
-        "timestamp": 1532353938
+        ]
     },
     {
         "timestamp": 1532043000,

packages/json-schemas/CHANGELOG.json

@@ -52,7 +52,8 @@
                     "Update Order & SignedOrder schemas, remove ECSignature schema and add Hex schema as part of V2 upgrades",
                 "pr": 615
             }
-        ]
+        ],
+        "timestamp": 1527008794
     },
     {
         "timestamp": 1527008794,

packages/migrations/CHANGELOG.json

@@ -36,6 +36,7 @@
         ]
     },
     {
+        "timestamp": 1527008794,
         "version": "0.0.7",
         "changes": [
             {

packages/react-docs/CHANGELOG.json

@@ -9,6 +9,7 @@
         ]
     },
     {
+        "timestamp": 1531919263,
         "version": "0.0.17",
         "changes": [
             {

packages/react-shared/CHANGELOG.json

@@ -36,14 +36,7 @@
         ]
     },
     {
-        "version": "0.2.0",
-        "changes": [
-            {
-                "note": "Dependencies updated"
-            }
-        ]
-    },
-    {
+        "timestamp": 1525477860,
         "version": "0.2.0",
         "changes": [
             {

packages/subproviders/CHANGELOG.json

@@ -32,6 +32,7 @@
         ]
     },
     {
+        "timestamp": 1527009133,
         "version": "0.10.3",
         "changes": [
             {

packages/types/CHANGELOG.json

@@ -33,6 +33,7 @@
         ]
     },
     {
+        "timestamp": 1527009133,
         "version": "0.8.0",
         "changes": [
             {