Bump compass-rails

Gemfile

@@ -59,7 +59,7 @@ gem "rack-cors", "1.0.2", require: "rack/cors"
 gem "autoprefixer-rails",     "8.6.5"
 gem "bootstrap-sass",         "3.3.7"
 gem "bootstrap-switch-rails", "3.3.4"
-gem "compass-rails",          "3.0.2"
+gem "compass-rails",          "3.1.0"
 gem "sass-rails",             "5.0.7"
 gem "sprockets-rails",        "3.2.1"
 

Gemfile.lock

@@ -119,7 +119,7 @@ GEM
       sass (>= 3.3.0, < 3.5)
     compass-import-once (1.0.5)
       sass (>= 3.2, < 3.5)
-    compass-rails (3.0.2)
+    compass-rails (3.1.0)
       compass (~> 1.0.0)
       sass-rails (< 5.1)
       sprockets (< 4.0)
@@ -773,7 +773,7 @@ DEPENDENCIES
   bootstrap-switch-rails (= 3.3.4)
   capybara (= 2.18.0)
   carrierwave (= 1.2.2)
-  compass-rails (= 3.0.2)
+  compass-rails (= 3.1.0)
   configurate (= 0.3.1)
   coveralls (= 0.8.22)
   cucumber-api-steps (= 0.14)