retain arguments for rules that are specified

[weisjohn]

When merging the rules, we should retain the arguments for those values which are replaced. Consider this diff:

$ gdc
diff --git a/.eslintrc b/.eslintrc
index cdfe049..bc96136 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -1,10 +1,33 @@
 {
     "rules": {
-        "indent": [ 2, 4 ],
-        "quotes": [ 2, "single" ],
-        "linebreak-style": [ 2, "unix" ],
-        "semi": [ 2, "always" ],
-        "comma-dangle": [ 0 ]
+        "indent": [
+            1
+        ],
+        "quotes": [
+            1
+        ],
+        "linebreak-style": [
+            2,
+            "unix"
+        ],
+        "semi": [
+            1
+        ],
+        "comma-dangle": [
+            0
+        ],
+        "no-unused-vars": [
+            1
+        ],
+        "no-console": [
+            1
+        ],
+        "no-undef": [
+            1
+        ],
+        "no-redeclare": [
+            1
+        ]
     },
     "env": {
         "es6": true,
@@ -12,4 +35,4 @@
         "node": true
     },
     "extends": "eslint:recommended"
-}
+}

[weisjohn]

better, but still ugly:

$ gd
diff --git a/.eslintrc b/.eslintrc
index cdfe049..db9cef6 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -1,10 +1,36 @@
 {
     "rules": {
-        "indent": [ 2, 4 ],
-        "quotes": [ 2, "single" ],
-        "linebreak-style": [ 2, "unix" ],
-        "semi": [ 2, "always" ],
-        "comma-dangle": [ 0 ]
+        "indent": [
+            1,
+            4
+        ],
+        "quotes": [
+            1,
+            "single"
+        ],
+        "linebreak-style": [
+            2,
+            "unix"
+        ],
+        "semi": [
+            1,
+            "always"
+        ],
+        "comma-dangle": [
+            0
+        ],
+        "no-unused-vars": [
+            1
+        ],
+        "no-console": [
+            1
+        ],
+        "no-undef": [
+            1
+        ],
+        "no-redeclare": [
+            1
+        ]
     },
     "env": {
         "es6": true,
@@ -12,4 +38,4 @@
         "node": true
     },
     "extends": "eslint:recommended"
-}
+}
\ No newline at end of file