bump gems, use bootstrap 4

Gemfile.lock

@@ -1,83 +1,93 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (5.1.4)
+    activesupport (5.2.0)
       concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (~> 0.7)
+      i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
     addressable (2.5.2)
       public_suffix (>= 2.0.2, < 4.0)
     colorator (1.1.0)
-    colored (1.2)
+    colorize (0.8.1)
     concurrent-ruby (1.0.5)
-    ethon (0.10.1)
+    em-websocket (0.5.1)
+      eventmachine (>= 0.12.9)
+      http_parser.rb (~> 0.6.0)
+    ethon (0.11.0)
       ffi (>= 1.3.0)
-    ffi (1.9.18)
+    eventmachine (1.2.5)
+    ffi (1.9.23)
     forwardable-extended (2.6.0)
-    html-proofer (3.7.2)
+    html-proofer (3.8.0)
       activesupport (>= 4.2, < 6.0)
       addressable (~> 2.3)
-      colored (~> 1.2)
+      colorize (~> 0.8)
       mercenary (~> 0.3.2)
-      nokogiri (~> 1.7)
+      nokogiri (~> 1.8.1)
       parallel (~> 1.3)
-      typhoeus (~> 0.7)
+      typhoeus (~> 1.3)
       yell (~> 2.0)
-    i18n (0.8.6)
-    jekyll (3.5.2)
+    http_parser.rb (0.6.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
+    jekyll (3.7.3)
       addressable (~> 2.4)
       colorator (~> 1.0)
+      em-websocket (~> 0.5)
+      i18n (~> 0.7)
       jekyll-sass-converter (~> 1.0)
-      jekyll-watch (~> 1.1)
-      kramdown (~> 1.3)
+      jekyll-watch (~> 2.0)
+      kramdown (~> 1.14)
       liquid (~> 4.0)
       mercenary (~> 0.3.3)
       pathutil (~> 0.9)
-      rouge (~> 1.7)
+      rouge (>= 1.7, < 4)
       safe_yaml (~> 1.0)
-    jekyll-feed (0.9.2)
+    jekyll-feed (0.9.3)
       jekyll (~> 3.3)
-    jekyll-redirect-from (0.12.1)
+    jekyll-redirect-from (0.13.0)
       jekyll (~> 3.3)
-    jekyll-sass-converter (1.5.0)
+    jekyll-sass-converter (1.5.2)
       sass (~> 3.4)
-    jekyll-seo-tag (2.3.0)
+    jekyll-seo-tag (2.4.0)
       jekyll (~> 3.3)
-    jekyll-sitemap (1.1.1)
+    jekyll-sitemap (1.2.0)
       jekyll (~> 3.3)
-    jekyll-toc (0.3.0)
+    jekyll-toc (0.5.2)
       nokogiri (~> 1.6)
-    jekyll-watch (1.5.0)
-      listen (~> 3.0, < 3.1)
-    kramdown (1.15.0)
+    jekyll-watch (2.0.0)
+      listen (~> 3.0)
+    kramdown (1.16.2)
     liquid (4.0.0)
-    listen (3.0.8)
+    listen (3.1.5)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
+      ruby_dep (~> 1.2)
     mercenary (0.3.6)
     mini_portile2 (2.3.0)
-    minitest (5.10.3)
-    nokogiri (1.8.1)
+    minitest (5.11.3)
+    nokogiri (1.8.2)
       mini_portile2 (~> 2.3.0)
-    parallel (1.12.0)
-    pathutil (0.14.0)
+    parallel (1.12.1)
+    pathutil (0.16.1)
       forwardable-extended (~> 2.6)
-    public_suffix (3.0.0)
-    rb-fsevent (0.10.2)
+    public_suffix (3.0.2)
+    rb-fsevent (0.10.3)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
-    rouge (1.11.1)
+    rouge (3.1.1)
+    ruby_dep (1.5.0)
     safe_yaml (1.0.4)
-    sass (3.5.1)
+    sass (3.5.6)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
     thread_safe (0.3.6)
-    typhoeus (0.8.0)
-      ethon (>= 0.8.0)
-    tzinfo (1.2.3)
+    typhoeus (1.3.0)
+      ethon (>= 0.9.0)
+    tzinfo (1.2.5)
       thread_safe (~> 0.1)
     yell (2.0.7)
 

Makefile

@@ -21,7 +21,8 @@ check:
 		_site
 
 install: $(PROJECT_DEPS)
-	$(BUNDLE) install --path vendor/bundler
+	#$(BUNDLE) install --path vendor/bundler
+	$(BUNDLE) install
 	$(YARN) install
 
 update: $(PROJECT_DEPS)
@@ -33,7 +34,7 @@ include-yarn-deps:
 	cp node_modules/font-awesome/css/font-awesome.min.css $(VENDOR_DIR)
 	cp -r node_modules/font-awesome/fonts $(ASSETS_DIR)
 	cp node_modules/jquery/dist/jquery.min.js $(VENDOR_DIR)
-	cp node_modules/tether/dist/js/tether.min.js $(VENDOR_DIR)
+	cp node_modules/popper.js/dist/umd/popper.min.js $(VENDOR_DIR)
 	cp node_modules/bootstrap/dist/js/bootstrap.min.js $(VENDOR_DIR)
 
 build: clean install include-yarn-deps

_layouts/default.html

@@ -83,7 +83,7 @@ <h3>{{site.data.locales[page.lang].site.nav_menu}}</h3>
 
 
 	<script src="{{'/assets/vendor/jquery.min.js' | absolute_url}}"></script>
-	<script src="{{'/assets/vendor/tether.min.js' | absolute_url}}"></script>
+	<script src="{{'/assets/vendor/popper.min.js' | absolute_url}}"></script>
 	<script src="{{'/assets/vendor/bootstrap.min.js' | absolute_url}}"></script>
     </body>
 </html>

assets/main.scss

@@ -1,9 +1,10 @@
 ---
 ---
 
+@import "bootstrap/scss/functions";
 @import "variables";
 @import "bootstrap/scss/bootstrap";
 
 .content {
   font-size: $custom-font-size;
-}
+}

package.json

@@ -7,7 +7,9 @@
   "author": "Marcelo Canina <me@marcanuy.com>",
   "license": "MIT",
   "dependencies": {
-    "bootstrap": "4.0.0-alpha.6",
-    "font-awesome": "^4.7.0"
+    "bootstrap": "4.0.0",
+    "font-awesome": "^4.7.0",
+    "jquery": "^3.3.1",
+    "popper.js": "^1.14.3"
   }
 }

yarn.lock

@@ -2,21 +2,18 @@
 # yarn lockfile v1
 
 
-bootstrap@4.0.0-alpha.6:
-  version "4.0.0-alpha.6"
-  resolved "https://registry.yarnpkg.com/bootstrap/-/bootstrap-4.0.0-alpha.6.tgz#4f54dd33ac0deac3b28407bc2df7ec608869c9c8"
-  dependencies:
-    jquery ">=1.9.1"
-    tether "^1.4.0"
+bootstrap@4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/bootstrap/-/bootstrap-4.0.0.tgz#ceb03842c145fcc1b9b4e15da2a05656ba68469a"
 
 font-awesome@^4.7.0:
   version "4.7.0"
   resolved "https://registry.yarnpkg.com/font-awesome/-/font-awesome-4.7.0.tgz#8fa8cf0411a1a31afd07b06d2902bb9fc815a133"
 
-jquery@>=1.9.1:
-  version "3.2.1"
-  resolved "https://registry.yarnpkg.com/jquery/-/jquery-3.2.1.tgz#5c4d9de652af6cd0a770154a631bba12b015c787"
+jquery@^3.3.1:
+  version "3.3.1"
+  resolved "https://registry.yarnpkg.com/jquery/-/jquery-3.3.1.tgz#958ce29e81c9790f31be7792df5d4d95fc57fbca"
 
-tether@^1.4.0:
-  version "1.4.0"
-  resolved "https://registry.yarnpkg.com/tether/-/tether-1.4.0.tgz#0f9fa171f75bf58485d8149e94799d7ae74d1c1a"
+popper.js@^1.14.3:
+  version "1.14.3"
+  resolved "https://registry.yarnpkg.com/popper.js/-/popper.js-1.14.3.tgz#1438f98d046acf7b4d78cd502bf418ac64d4f095"