Refactor npm scripts for changes in npm

package.json

@@ -28,15 +28,17 @@
     "url": "https://github.com/wooorm/retext-porter-stemmer.git"
   },
   "scripts": {
-    "test": "node_modules/.bin/_mocha --reporter spec --check-leaks -u exports test.js",
-    "test-travis": "node_modules/.bin/istanbul cover node_modules/.bin/_mocha --report lcovonly -- --reporter spec --check-leaks -u exports test.js",
-    "coverage": "node_modules/.bin/istanbul cover node_modules/.bin/_mocha -- -- test.js",
-    "lint-api": "node_modules/.bin/eslint index.js",
-    "lint-benchmark": "node_modules/.bin/eslint benchmark.js --global bench,before,suite,set",
-    "lint-test": "node_modules/.bin/eslint test.js --env mocha",
-    "lint-style": "node_modules/.bin/jscs index.js test.js benchmark.js --reporter=inline",
+    "test-api": "_mocha --check-leaks test.js",
+    "test-coveralls": "istanbul cover _mocha --report lcovonly -- --check-leaks test.js",
+    "test-coverage": "istanbul cover _mocha -- --check-leaks test.js",
+    "test-travis": "npm run test-coveralls",
+    "test": "npm run test-api",
+    "lint-api": "eslint index.js",
+    "lint-benchmark": "eslint --global bench,before,suite,set benchmark.js",
+    "lint-test": "eslint --env mocha test.js",
+    "lint-style": "jscs --reporter inline index.js benchmark.js test.js",
     "lint": "npm run lint-api && npm run lint-benchmark && npm run lint-test && npm run lint-style",
-    "make": "npm run lint && npm run coverage",
-    "benchmark": "node_modules/.bin/matcha benchmark.js"
+    "make": "npm run lint && npm run test-coverage",
+    "benchmark": "matcha benchmark.js"
   }
 }