Added preliminary gulp-based build system for releases

.gitignore

@@ -57,3 +57,8 @@ docs/_build/
 
 # PyBuilder
 target/
+
+# Sketchy gulp-based build system
+build/
+node_modules
+release.zip

gulpfile.js

@@ -0,0 +1,56 @@
+var gulp = require('gulp'),
+  download = require('gulp-download'),
+  zip = require('gulp-zip'),
+  unzip = require('gulp-unzip');
+
+gulp.task('download-dependencies', function() {
+  // Download and copy python psynteract library
+  download('https://github.com/psynteract/psynteract-py/archive/master.zip')
+    .pipe(unzip())
+    .pipe(gulp.dest('build/_dependencies/'));
+
+  // Same for requests ...
+  download('https://github.com/kennethreitz/requests/archive/v2.5.1.zip')
+    .pipe(unzip())
+    .pipe(gulp.dest('build/_dependencies/'));
+
+  // ... and pycouchdb
+  download('https://github.com/histrio/py-couchdb/archive/1.13.zip')
+    .pipe(unzip())
+    .pipe(gulp.dest('build/_dependencies/'));
+})
+
+gulp.task('bundle', function() {
+  // Copy metadata
+  gulp.src(['./README.md', './LICENSE', './NOTICE.md'])
+    .pipe(gulp.dest('build/_output/'));
+
+  // Copy extensions and plugins
+  gulp.src(['./extensions/**/*'])
+    .pipe(gulp.dest('build/_output/extensions/'));
+  gulp.src(['./plugins/**/*'])
+    .pipe(gulp.dest('build/_output/plugins/'));
+
+  // Copy dependency files
+  gulp.src('build/_dependencies/psynteract-py-master/psynteract/**/*')
+    .pipe(gulp.dest('build/_output/extensions/psynteract_extension/psynteract'));
+  gulp.src('build/_dependencies/requests-2.5.1/requests/**/*')
+    .pipe(gulp.dest('build/_output/extensions/psynteract_extension/requests'));
+  gulp.src('build/_dependencies/py-couchdb-1.13/pycouchdb/**/*')
+    .pipe(gulp.dest('build/_output/extensions/psynteract_extension/pycouchdb'));
+
+  // Copy backend
+  // (this currently assumes that the backend
+  // has been built manually)
+  gulp.src('build/backend.json')
+    .pipe(gulp.dest('build/_output/extensions/psynteract_extension/psynteract'));
+});
+
+gulp.task('zip', function() {
+  // Zip up the _output directory
+  gulp.src('build/_output/**/*')
+    .pipe(zip('release.zip'))
+    .pipe(gulp.dest('./'));
+});
+
+gulp.task('default', ['download-dependencies', 'bundle', 'zip']);