Updated ruby version for site generation with Jekyll

Author: elizarov

site/build.gradle

@@ -15,7 +15,7 @@ task copyExampleFrontendJs(type: Copy, dependsOn: ':example-frontend-js:bundle')
 
 task site(type: Exec, description: 'Generate github pages', dependsOn: [copyDocs, copyExampleFrontendJs]) {
     workingDir "$buildDir/gh-pages"
-    commandLine 'jekyll', 'build'
+    commandLine 'bundle', 'exec', 'jekyll', 'build'
 }
 
 task clean(type: Delete) {

site/docs/Gemfile.lock

@@ -1,11 +1,11 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.5.0)
-      public_suffix (~> 2.0, >= 2.0.2)
+    addressable (2.5.2)
+      public_suffix (>= 2.0.2, < 4.0)
     colorator (1.1.0)
-    ffi (1.9.17)
-    ffi (1.9.17-x64-mingw32)
+    ffi (1.9.18)
+    ffi (1.9.18-x64-mingw32)
     forwardable-extended (2.6.0)
     jekyll (3.4.0)
       addressable (~> 2.4)
@@ -18,29 +18,35 @@ GEM
       pathutil (~> 0.9)
       rouge (~> 1.7)
       safe_yaml (~> 1.0)
-    jekyll-sass-converter (1.5.0)
+    jekyll-sass-converter (1.5.1)
       sass (~> 3.4)
-    jekyll-watch (1.5.0)
-      listen (~> 3.0, < 3.1)
-    kramdown (1.13.2)
+    jekyll-watch (1.5.1)
+      listen (~> 3.0)
+    kramdown (1.16.2)
     liquid (3.0.6)
-    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)
-    pathutil (0.14.0)
+    pathutil (0.16.1)
       forwardable-extended (~> 2.6)
-    public_suffix (2.0.5)
-    rb-fsevent (0.9.8)
-    rb-inotify (0.9.8)
-      ffi (>= 0.5.0)
+    public_suffix (3.0.1)
+    rb-fsevent (0.10.2)
+    rb-inotify (0.9.10)
+      ffi (>= 0.5.0, < 2)
     rouge (1.11.1)
+    ruby_dep (1.5.0)
     safe_yaml (1.0.4)
-    sass (3.4.23)
-    thread_safe (0.3.5)
-    tzinfo (1.2.2)
+    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)
+    thread_safe (0.3.6)
+    tzinfo (1.2.4)
       thread_safe (~> 0.1)
-    tzinfo-data (1.2016.10)
+    tzinfo-data (1.2017.3)
       tzinfo (>= 1.0.0)
 
 PLATFORMS
@@ -52,7 +58,7 @@ DEPENDENCIES
   tzinfo-data
 
 RUBY VERSION
-   ruby 2.2.6p396
+   ruby 2.3.3p222
 
 BUNDLED WITH
-   1.14.3
+   1.16.1