Clean up Makefile

This commit moves a couple of helper tasks for developing the frontend
into the gulpfile, and also improves the automatic installation of
dependencies and building of assets.

All that is now required to get a running development server (with built
frontend assets) from a fresh checkout of the repository is:

    make dev

Subsequent runs of `make dev` will ensure the JavaScript and Python
dependencies are up-to-date but will not rebuild the assets unless they
are either explicitly cleaned,

    make clean dev

or the developer runs the gulp `watch` task independently (recommended).

Similarly, from a fresh checkout, it should be possible to run the test
suite simply by running:

    make test

Note that this commit removes `gulp-cli` and `karma-cli` from the
package dependencies -- these packages are not intended to be installed
in a software distribution, although they can both be installed globally
to assist with easier dispatch of gulp/karma tasks if needed:

    npm install -g gulp-cli karma-cli

gulpfile.js

@@ -10,6 +10,7 @@ var endOfStream = require('end-of-stream');
 var gulp = require('gulp');
 var gulpIf = require('gulp-if');
 var gulpUtil = require('gulp-util');
+var karma = require('karma');
 var sass = require('gulp-sass');
 var postcss = require('gulp-postcss');
 var sourcemaps = require('gulp-sourcemaps');
@@ -216,3 +217,29 @@ gulp.task('watch',
            'watch-fonts',
            'watch-images',
            'watch-manifest']);
+
+gulp.task('test-app', function (callback) {
+  new karma.Server({
+    configFile: __dirname + '/h/static/scripts/karma.config.js',
+    singleRun: true,
+  }, callback).start();
+});
+
+gulp.task('test-extension', function (callback) {
+  new karma.Server({
+    configFile: __dirname + '/h/browser/chrome/karma.config.js',
+    singleRun: true,
+  }, callback).start();
+});
+
+gulp.task('test-watch-app', function (callback) {
+  new karma.Server({
+    configFile: __dirname + '/h/static/scripts/karma.config.js',
+  }, callback).start();
+});
+
+gulp.task('test-watch-extension', function (callback) {
+  new karma.Server({
+    configFile: __dirname + '/h/browser/chrome/karma.config.js',
+  }, callback).start();
+});

package.json

@@ -35,7 +35,6 @@
     "gulp": "^3.9.1",
     "gulp-batch": "^1.0.5",
     "gulp-changed": "^1.3.0",
-    "gulp-cli": "^1.2.1",
     "gulp-if": "^2.0.0",
     "gulp-postcss": "^6.1.0",
     "gulp-sass": "^2.2.0",
@@ -71,7 +70,6 @@
     "karma": "^0.13.10",
     "karma-browserify": "^3.0.3",
     "karma-chai": "^0.1.0",
-    "karma-cli": "0.0.4",
     "karma-mocha": "^0.1.4",
     "karma-ng-html2js-preprocessor": "^0.1.0",
     "karma-phantomjs-launcher": "^0.1.4",