Replace minimatch with ignore

Fixes #206, among other things. See https://github.com/kaelzhang/node-ignore/blob/3.3.5/README.md#why-another-ignore.

lib/utils/style-settings.js

@@ -1,5 +1,5 @@
 /* global atom */
-var minimatch = require('minimatch')
+var ignore = require('ignore')
 var pkgConfig = require('pkg-config')
 var fs = require('fs')
 
@@ -70,15 +70,12 @@ function checkStyleSettings (filePath, textEditor) {
 
     // If ignore glob patterns are present
     if (styleSettings.ignore && relativeFilePath) {
-      var ignoreGlobPatterns = []
-      ignoreGlobPatterns = ignoreGlobPatterns.concat(styleSettings.ignore)
-
-      ignoreGlobPatterns = ignoreGlobPatterns.some(function (pattern) {
-        return minimatch(relativeFilePath, pattern)
-      })
+      const ignores = ignore()
+        .add(styleSettings.ignore)
+        .ignores(relativeFilePath)
 
       // If a glob pattern was matched, do not lint the file
-      if (ignoreGlobPatterns) {
+      if (ignores) {
         settings.style = 'no-style'
         return settings
       }

package.json

@@ -26,8 +26,8 @@
     "eslint-rule-documentation": "^1.0.9",
     "esprima": "^3.1.1",
     "happiness": "^10.0.2",
+    "ignore": "^3.3.5",
     "loophole": "^1.1.0",
-    "minimatch": "^3.0.4",
     "pkg-config": "^1.1.0",
     "q": "^1.4.1",
     "semistandard": "^11.0.0",