update to using npm 3 (#13)

Author: garrensmith

.travis.yml

@@ -6,10 +6,7 @@ cache:
     - node_modules
 
 node_js:
-  - "0.10"
-
-before_install:
-  - npm i -g npm@^2.0.0
+  - "5"
 
 before_script:
   - npm prune

bin/pouchdb-plugin-helper

@@ -13,15 +13,16 @@ function run(cmd, args) {
   return proc;
 }
 
-var root = join(__dirname, '..');
+var root = join(process.cwd());
+var helperRoot = join(__dirname, '..');
 var nodemods = join(root, 'node_modules');
 var bin = join(nodemods, '.bin');
 
 var package = JSON.parse(fs.readFileSync('./package.json'), {encoding: 'utf8'});
 
 function runLint(cb) {
   var eslintNormal = run(join(bin, 'eslint'), [
-    '-c', join(root, 'eslint'),
+    '-c', join(helperRoot, 'eslint'),
   ].concat(
     glob.sync('*.js')
   ).concat(
@@ -32,7 +33,7 @@ function runLint(cb) {
       return cb(eslintNormalExitCode);
     }
     var eslintTest = run(join(bin, 'eslint'), [
-      '-c', join(root, 'eslint-test'),
+      '-c', join(helperRoot, 'eslint-test'),
     ].concat(
       glob.sync('test/*.js')
     ));