Upgrade Jekyll and more (#89)

* Add Carol Ng to the Contributors section

* Update Jekyll to version 3.6.2 in Gemfile

* Add issue and PR templates

* bump the npm version

* Remove feed.xml file and use jekyll-feed pluging, updated in version 3.6.0

* Update project generated packages

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,11 @@
+**This is a ...**  (check one with "x")
+```
+[ ] Bug report
+[ ] Feature request
+[ ] Clarification on the documentation
+```
+
+**Current behavior**
+
+
+**What is the expected behavior?** (if you know how it should behave)

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,16 @@
+**What kind of change does this PR introduce?** (check _one_ with "x")
+```
+[ ] Bugfix
+[ ] Feature
+[ ] Code style update (formatting, local variables)
+[ ] Refactoring (no functional changes, no api changes)
+[ ] Build related changes
+[ ] CI related changes
+[ ] Docs related changes
+[ ] Other... Please describe:
+```
+
+**Link to the open issue**:
+
+
+**Other information**:

README.md

@@ -54,6 +54,7 @@ Great! Here is how you can install the local generator to test changes.
 
   * [Nir Galon](http://nirgn.com)
   * [Yotam Emergy](http://ydesign.webflow.io/)
+  * [Carol Ng](https://www.carolkng.com/)
 
 [![npm][downloads-image]][downloads-url] [![Donate][donate-image]][donate-url]
 

generators/app/index.js

@@ -138,12 +138,6 @@ module.exports = Generator.extend({
       this.destinationPath(this.projectName + '/_posts')
     );
 
-    // Copy all .xml files.
-    this.fs.copy(
-      this.templatePath('my-awesome-site/*.xml'),
-      this.destinationPath(this.projectName)
-    );
-
     // Copy all .yml files.
     this.fs.copy(
       this.templatePath('my-awesome-site/*.yml'),

generators/app/templates/my-awesome-site/Gemfile

@@ -9,9 +9,9 @@ ruby RUBY_VERSION
 #
 # This will help ensure the proper Jekyll version is running.
 # Happy Jekylling!
-gem "jekyll", "3.6.0"
+gem "jekyll", "3.6.2"
 
 # If you have any plugins, put them here!
-# group :jekyll_plugins do
-#   gem "jekyll-github-metadata", "~> 1.0"
-# end
+group :jekyll_plugins do
+  gem "jekyll-feed", "~> 0.6"
+end

generators/app/templates/my-awesome-site/README.md

@@ -8,7 +8,7 @@
 
 To install this project, you'll need the following things installed on your machine.
 
-1. [Jekyll](http://jekyllrb.com/) - `$ gem install jekyll -v 3.6.0`
+1. [Jekyll](http://jekyllrb.com/) - `$ gem install jekyll -v 3.6.2`
 2. [NodeJS](http://nodejs.org) - use the installer.
 <% if (includeFirebase) { -%>
 3. [Firebase CLI](https://github.com/firebase/firebase-tools).

generators/app/templates/my-awesome-site/package.json

@@ -10,15 +10,15 @@
   "author": "<%= githubUsername %>",
   "license": "ISC",
   "devDependencies": {
-    "babel-core": "^6.25.0",
+    "babel-core": "^6.26.0",
     "babel-preset-es2015": "^6.24.1",
-    "browser-sync": "^2.18.13",
+    "browser-sync": "^2.21.0",
 <% if (includeFirebase) { -%>
-    "firebase-tools": "^3.3.0",
+    "firebase-tools": "^3.16.0",
 <% } -%>
     "gulp": "^3.9.1",
     "gulp-autoprefixer": "^4.0.0",
-    "gulp-babel": "^6.1.2",
+    "gulp-babel": "^7.0.0",
     "gulp-clean": "^0.3.2",
     "gulp-concat": "^2.6.1",
     "gulp-cssnano": "^2.1.2",
@@ -27,27 +27,27 @@
     "gulp-gh-pages": "^0.5.4",
 <% } -%>
     "gulp-htmlmin": "3.0.0",
-    "gulp-imagemin": "^3.3.0",
+    "gulp-imagemin": "^4.0.0",
     "gulp-load-plugins": "1.5.0",
 <% if (includeGithub) { -%>
     "gulp-replace": "^0.6.1",
 <% } -%>
 <% if (includePug) { -%>
-    "gulp-pug": "3.0.4",
+    "gulp-pug": "3.3.0",
 <% } -%>
 <% if (includeSass || includeScss) { -%>
     "gulp-sass": "^3.1.0",
 <% } -%>
     "gulp-shell": "^0.6.3",
     "gulp-uglify": "^3.0.0",
 <% if (includeTravis) { -%>
-    "lighthouse": "^2.3.0",
+    "lighthouse": "^2.7.0",
 <% } -%>
 <% if (includeSW) { -%>
     "sw-precache": "^5.2.0",
     "sw-toolbox": "^3.6.0",
 <% } -%>
-    "run-sequence": "^2.1.0"
+    "run-sequence": "^2.2.0"
   },
   "repository": {
     "type": "git",