Correct outstanding references to Brunch

.gitignore

@@ -12,7 +12,7 @@ coverage
 # Generated PNG app icons
 app/assets/icons/png
 
-# Brunch
+# Gulp
 public/
 
 # Private environment variables for deployment

.travis.yml

@@ -5,21 +5,11 @@ node_js:
   - "8"
   - "7"
   - "6"
-# Installing rsvg-brunch requires a C++11 compiler and librsvg
-addons:
-  apt:
-    sources:
-    - ubuntu-toolchain-r-test
-    packages:
-    - g++-4.8
-    - librsvg2-dev
-env:
-  - CXX=g++-4.8
 install:
   - npm install
   - npm install coveralls
 before_script:
-  - brunch build
+  - gulp build
 script:
   - npm run lint
   - npm run coverage

README.md

@@ -48,20 +48,14 @@ In the app, the AI player is lovingly referred to as "Mr. AI".
 
 ### 1. Install global dependencies
 
-The project requires Node.js and Brunch, so make sure you have both.
+The project requires Node.js and Gulp, so make sure you have both.
 
 ```bash
 brew install node
 ```
 
 ```bash
-npm install -g brunch
-```
-
-Optionally, you can install librsvg if you want to build the application icons:
-
-```bash
-brew install librsvg
+npm install -g gulp-cli
 ```
 
 ### 2. Install project dependencies
@@ -77,7 +71,5 @@ npm install
 To serve the app locally, run:
 
 ```bash
-brunch watch --server
+gulp build:watch
 ```
-
-When run, the app will be accessible at `http://localhost:3333`.