bundle update with latest dependencies

Gemfile.lock

@@ -6,18 +6,6 @@ GIT
     jekyll-git_metadata (0.0.3)
       jekyll (~> 3.0)
 
-GIT
-  remote: https://github.com/JetBrains/link-checker.git
-  revision: 4b9409f5218c3bc215883c4b43061baa203597c4
-  branch: multiple_fixes
-  specs:
-    link-checker (0.7.2)
-      anemone (~> 0.7.2)
-      certified (~> 1.0.0)
-      colorize (~> 0.7.3)
-      nokogiri (~> 1.6)
-      trollop (~> 2.0)
-
 GIT
   remote: https://github.com/JetBrains/rouge
   revision: 1c6c57410e5b7ffd3112ae99770f7a7e4d6c064a
@@ -28,12 +16,7 @@ GIT
 GEM
   remote: https://rubygems.org/
   specs:
-    anemone (0.7.2)
-      nokogiri (>= 1.3.0)
-      robotex (>= 1.0.0)
-    certified (1.0.0)
     colorator (0.1)
-    colorize (0.7.7)
     ffi (1.9.10)
     ffi (1.9.10-x64-mingw32)
     jekyll (3.0.1)
@@ -57,19 +40,12 @@ GEM
       rb-fsevent (>= 0.9.3)
       rb-inotify (>= 0.9)
     mercenary (0.3.5)
-    mini_portile2 (2.0.0)
-    nokogiri (1.6.7.1)
-      mini_portile2 (~> 2.0.0.rc2)
-    nokogiri (1.6.7.1-x64-mingw32)
-      mini_portile2 (~> 2.0.0.rc2)
     rake (10.4.2)
     rb-fsevent (0.9.6)
     rb-inotify (0.9.5)
       ffi (>= 0.5.0)
-    robotex (1.0.0)
     safe_yaml (1.0.4)
     sass (3.4.20)
-    trollop (2.1.2)
     wdm (0.1.1)
 
 PLATFORMS
@@ -80,7 +56,6 @@ DEPENDENCIES
   jekyll (~> 3.0)
   jekyll-git_metadata!
   jekyll-redirect-from
-  link-checker!
   rake
   rouge!
   wdm (>= 0.1.0)