renaming depricated gems in config to plugins

Gemfile.lock

@@ -1,36 +1,52 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.3.8)
-    colorator (0.1)
-    faraday (0.9.2)
+    addressable (2.5.2)
+      public_suffix (>= 2.0.2, < 4.0)
+    colorator (1.1.0)
+    concurrent-ruby (1.0.5)
+    em-websocket (0.5.1)
+      eventmachine (>= 0.12.9)
+      http_parser.rb (~> 0.6.0)
+    eventmachine (1.2.5)
+    faraday (0.13.1)
       multipart-post (>= 1.2, < 3)
-    ffi (1.9.10)
-    jekyll (3.1.1)
-      colorator (~> 0.1)
+    ffi (1.9.18)
+    forwardable-extended (2.6.0)
+    http_parser.rb (0.6.0)
+    i18n (0.9.1)
+      concurrent-ruby (~> 1.0)
+    jekyll (3.7.0)
+      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)
-      liquid (~> 3.0)
+      jekyll-watch (~> 2.0)
+      kramdown (~> 1.14)
+      liquid (~> 4.0)
       mercenary (~> 0.3.3)
-      rouge (~> 1.7)
+      pathutil (~> 0.9)
+      rouge (>= 1.7, < 4)
       safe_yaml (~> 1.0)
-    jekyll-gist (1.4.0)
+    jekyll-gist (1.5.0)
       octokit (~> 4.2)
-    jekyll-sass-converter (1.4.0)
+    jekyll-sass-converter (1.5.1)
       sass (~> 3.4)
-    jekyll-sitemap (0.10.0)
-    jekyll-watch (1.3.1)
+    jekyll-sitemap (1.1.1)
+      jekyll (~> 3.3)
+    jekyll-watch (2.0.0)
       listen (~> 3.0)
-    kramdown (1.9.0)
-    liquid (3.0.6)
-    listen (3.0.5)
-      rb-fsevent (>= 0.9.3)
-      rb-inotify (>= 0.9)
-    mercenary (0.3.5)
+    kramdown (1.16.2)
+    liquid (4.0.0)
+    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)
     multipart-post (2.0.0)
-    octokit (4.2.0)
-      sawyer (~> 0.6.0, >= 0.5.3)
+    octokit (4.8.0)
+      sawyer (~> 0.8.0, >= 0.5.3)
     octopress (3.0.11)
       jekyll (>= 2.0)
       mercenary (~> 0.3.2)
@@ -43,18 +59,26 @@ GEM
       colorator
     octopress-escape-code (2.1.1)
       jekyll (~> 3.0)
-    octopress-hooks (2.6.1)
+    octopress-hooks (2.6.2)
       jekyll (>= 2.0)
-    rb-fsevent (0.9.7)
-    rb-inotify (0.9.5)
-      ffi (>= 0.5.0)
-    redcarpet (3.3.4)
-    rouge (1.10.1)
+    pathutil (0.16.1)
+      forwardable-extended (~> 2.6)
+    public_suffix (3.0.1)
+    rb-fsevent (0.10.2)
+    rb-inotify (0.9.10)
+      ffi (>= 0.5.0, < 2)
+    redcarpet (3.4.0)
+    rouge (3.1.0)
+    ruby_dep (1.5.0)
     safe_yaml (1.0.4)
-    sass (3.4.21)
-    sawyer (0.6.0)
-      addressable (~> 2.3.5)
-      faraday (~> 0.8, < 0.10)
+    sass (3.5.5)
+      sass-listen (~> 4.0.0)
+    sass-listen (4.0.0)
+      rb-fsevent (~> 0.9, >= 0.9.4)
+      rb-inotify (~> 0.9, >= 0.9.7)
+    sawyer (0.8.1)
+      addressable (>= 2.3.5, < 2.6)
+      faraday (~> 0.8, < 1.0)
     titlecase (0.1.1)
 
 PLATFORMS
@@ -67,4 +91,4 @@ DEPENDENCIES
   octopress
 
 BUNDLED WITH
-   1.11.2
+   1.15.3

_config.yml

@@ -54,7 +54,7 @@ highlighter: rouge
 sass:
   sass_dir: _sass
   style: compressed
-gems:
+plugins:
   - jekyll-sitemap
 
 kramdown: