New Chart.js samples package

Samples need to be packaged with built libraries (which one have been removed from the repository), so create a new Gulp `package` task to zip dist/** and samples/** together. The archive is located in dist/chartjs-complete.zip and will be deployed by Travis along the GH release.

.travis.yml

@@ -14,6 +14,7 @@ script:
   - gulp build
   - gulp test
   - gulp coverage
+  - gulp package
   - cat ./coverage/lcov.info | ./node_modules/.bin/coveralls
 
 notifications:
@@ -39,6 +40,7 @@ deploy:
     - "./dist/Chart.bundle.min.js"
     - "./dist/Chart.js"
     - "./dist/Chart.min.js"
+    - "./dist/chartjs-samples.zip"
   skip_cleanup: true
   on:
     tags: true

gulpfile.js

@@ -8,6 +8,7 @@ var gulp = require('gulp'),
   replace = require('gulp-replace'),
   htmlv = require('gulp-html-validator'),
   insert = require('gulp-insert'),
+  zip = require('gulp-zip'),
   inquirer = require('inquirer'),
   semver = require('semver'),
   exec = require('child_process').exec,
@@ -49,6 +50,7 @@ var testFiles = [
 ];
 
 gulp.task('build', buildTask);
+gulp.task('package', packageTask);
 gulp.task('coverage', coverageTask);
 gulp.task('watch', watchTask);
 gulp.task('bump', bumpTask);
@@ -99,6 +101,12 @@ function buildTask() {
 
 }
 
+function packageTask() {
+  return gulp.src(['./dist/**', './samples/**'], { "base" : "." })
+    .pipe(zip('chartjs-samples.zip'))
+    .pipe(gulp.dest('./dist'));
+}
+
 /*
  *  Usage : gulp bump
  *  Prompts: Version increment to bump
@@ -126,10 +134,10 @@ function bumpTask(complete) {
     // Write these to their own files, then build the output
     fs.writeFileSync('package.json', JSON.stringify(package, null, 2));
     fs.writeFileSync('bower.json', JSON.stringify(bower, null, 2));
-    
+
     var oldCDN = 'https://cdnjs.cloudflare.com/ajax/libs/Chart.js/'+oldVersion+'/Chart.min.js',
       newCDN = 'https://cdnjs.cloudflare.com/ajax/libs/Chart.js/'+newVersion+'/Chart.min.js';
-    
+
     gulp.src(['./README.md'])
       .pipe(replace(oldCDN, newCDN))
       .pipe(gulp.dest('./'));

package.json

@@ -26,6 +26,7 @@
     "gulp-uglify": "~0.2.x",
     "gulp-umd": "~0.2.0",
     "gulp-util": "~2.2.x",
+    "gulp-zip": "~3.2.0",
     "inquirer": "^0.5.1",
     "jasmine": "^2.3.2",
     "jasmine-core": "^2.3.4",