removed most warnings, allegedly fixed ci, added deleteValue test (kessler#87)

Author: M1cr0M1nd

.eslintrc

@@ -1,7 +1,7 @@
 {
     "env": {
         "commonjs": true,
-        "es6": false,
+        "es6": true,
         "node": true,
         "mocha": true
     },
@@ -111,7 +111,7 @@
         "no-restricted-globals": "error",
         "no-shadow-restricted-names": "error",
         "no-undef-init": "warn",
-        "no-undefined": "warn",
+        "no-undefined": "off",
         "no-use-before-define": "warn",
         "global-require": "error",
         "handle-callback-err": "warn",

README.md

@@ -228,6 +228,10 @@ regedit.putValue(values, function (err) {
 ```
 For now this is how its going to be, but in the future this will probably change, possibly in a way that will effect the whole interface.
 
+### regedit.deleteValue([String|Array], [Function])
+Deletes one or more values in the registry
+**This operation will mutate the keys array**
+
 ## Develop
 
 ### Run tests
@@ -241,4 +245,4 @@ For now this is how its going to be, but in the future this will probably change
 ```
 
 ## TODO
-deleteValue()
+None :)

appveyor.yml

@@ -3,8 +3,6 @@ init:
 
 environment:
   matrix:
-    - nodejs_version: "4"
-    - nodejs_version: "5"
     - nodejs_version: "6"
     - nodejs_version: "7"
       configuration: "publish"