More node versions for travis. Package lock file. Removal of pre-git.

.travis.yml

@@ -1,10 +1,9 @@
 language: node_js
 node_js:
-    - 0.10
-    - 0.12
     - 4
-    - 5
     - 6
+    - 7
+    - 8
 script: "npm run-script cover"
 after_script: "cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js"
 notifications:

package.json

@@ -21,8 +21,7 @@
     "eslint": "^2.11.1",
     "istanbul": "^0.4.3",
     "mocha": "^2.5.3",
-    "portfinder": "^1.0.3",
-    "pre-git": "^3.8.4"
+    "portfinder": "^1.0.3"
   },
   "keywords": [
     "smpp",
@@ -43,18 +42,5 @@
     "cover": "istanbul cover _mocha",
     "test": "mocha"
   },
-  "license": "MIT",
-  "config": {
-    "pre-git": {
-      "commit-msg": "",
-      "pre-commit": [
-        "./node_modules/.bin/eslint ./",
-        "./node_modules/.bin/mocha"
-      ],
-      "pre-push": [],
-      "post-commit": [],
-      "post-checkout": [],
-      "post-merge": []
-    }
-  }
+  "license": "MIT"
 }