Begin moving to NPM/Gulp based build system

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gulpfile.js

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+'use strict';
+
+var gulp = require('gulp');
+
+var concat = require('gulp-concat');
+var rename = require('gulp-rename');
+var uglify = require('gulp-uglify');
+var sass = require('gulp-sass');
+var flatten = require('gulp-flatten');
+let cleanCSS = require('gulp-clean-css');
+
+sass.compiler = require('node-sass');
+
+gulp.task('sass', function () {
+  return gulp.src('web_assets/scss/**/*.scss')
+    .pipe(flatten())
+    .pipe(sass().on('error', sass.logError))
+    .pipe(cleanCSS({compatibility: 'ie8'}))
+    .pipe(gulp.dest('RIGS/static/css'));
+});
+
+gulp.task('scripts', function() {
+    return gulp.src(['web_assets/js/**/*.js', 'node_modules/bootstrap/**/bootstrap.js'])
+        .pipe(uglify())
+        .pipe(gulp.dest('RIGS/static/js'));
+});