gulp fixes

`jslint` works now, added `watch` for continuous `jslint`+`build` on file changes.

config.jshintrc

@@ -0,0 +1,5 @@
+{
+	"node": true,
+	"unused": true,
+	"predef": [ "require", "module" ]
+}

gulpfile.js

@@ -13,7 +13,8 @@ var gulp = require('gulp'),
   browserify = require('browserify'),
   streamify = require('gulp-streamify'),
   source = require('vinyl-source-stream'),
-  merge = require('merge-stream');
+  merge = require('merge-stream'),
+  watch = require('gulp-watch');
 
 var srcDir = './src/';
 var outDir = './';
@@ -31,6 +32,7 @@ var header = "/*!\n\
 gulp.task('build', buildTask);
 gulp.task('bump', bumpTask);
 gulp.task('jshint', jshintTask);
+gulp.task('watch', watchTask);
 
 function buildTask() {
   var nonBundled = browserify('./src/chart.annotation.js')
@@ -86,3 +88,8 @@ function jshintTask() {
     .pipe(jshint.reporter('jshint-stylish'))
     .pipe(jshint.reporter('fail'));
 }
+
+function watchTask() {
+  buildTask();
+  gulp.watch('src/*.js', ['jshint', 'build']);
+}

package.json

@@ -18,8 +18,10 @@
     "gulp-streamify": "^1.0.2",
     "gulp-uglify": "^1.5.3",
     "gulp-util": "^3.0.7",
+    "gulp-watch": "^4.3.10",
     "inquirer": "^1.0.2",
     "jshint": "^2.9.2",
+    "jshint-stylish": "^2.2.1",
     "merge-stream": "^1.0.0",
     "semver": "^5.1.0",
     "vinyl-source-stream": "^1.1.0"