Updated gem dependencies.

Gemfile.lock

@@ -1,12 +1,12 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (5.0.7)
+    activesupport (5.0.7.1)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.5.2)
+    addressable (2.6.0)
       public_suffix (>= 2.0.2, < 4.0)
     autoprefixer-rails (6.7.7.2)
       execjs
@@ -17,15 +17,15 @@ GEM
     coffee-script-source (1.12.2)
     compass-import-once (1.0.5)
       sass (>= 3.2, < 3.5)
-    concurrent-ruby (1.1.3)
+    concurrent-ruby (1.1.4)
     contracts (0.13.0)
-    dotenv (2.5.0)
+    dotenv (2.6.0)
     erubis (2.7.0)
     execjs (2.7.0)
     fast_blank (1.0.0)
-    fastimage (2.1.4)
-    ffi (1.9.25)
-    ffi (1.9.25-x86-mingw32)
+    fastimage (2.1.5)
+    ffi (1.10.0)
+    ffi (1.10.0-x86-mingw32)
     haml (5.0.4)
       temple (>= 0.8.0)
       tilt
@@ -92,12 +92,12 @@ GEM
       tilt (>= 1.4.1, < 3)
     padrino-support (0.13.3.4)
       activesupport (>= 3.1)
-    parallel (1.12.1)
+    parallel (1.13.0)
     public_suffix (3.0.3)
     rack (2.0.6)
     rb-fsevent (0.10.3)
-    rb-inotify (0.9.10)
-      ffi (>= 0.5.0, < 2)
+    rb-inotify (0.10.0)
+      ffi (~> 1.0)
     redcarpet (3.4.0)
     rouge (2.0.7)
     sass (3.4.25)
@@ -108,7 +108,7 @@ GEM
     temple (0.8.0)
     thor (0.20.3)
     thread_safe (0.3.6)
-    tilt (2.0.8)
+    tilt (2.0.9)
     tzinfo (1.2.5)
       thread_safe (~> 0.1)
     uglifier (3.2.0)