Bump guard

Gemfile

@@ -239,7 +239,7 @@ end
 
 group :development do
   # Automatic test runs
-  gem "guard",          "2.14.2", require: false
+  gem "guard",          "2.15.0", require: false
   gem "guard-cucumber", "2.1.2", require: false
   gem "guard-rspec",    "4.7.3", require: false
   gem "guard-rubocop",  "1.3.0", require: false

Gemfile.lock

@@ -256,7 +256,7 @@ GEM
       actionpack (>= 3.0)
       multi_json
       request_store (>= 1.0)
-    guard (2.14.2)
+    guard (2.15.0)
       formatador (>= 0.2.4)
       listen (>= 2.7, < 4.0)
       lumberjack (>= 1.0.12, < 2.0)
@@ -377,7 +377,7 @@ GEM
     markerb (1.1.0)
     memoizable (0.4.2)
       thread_safe (~> 0.3, >= 0.3.1)
-    method_source (0.9.1)
+    method_source (0.9.2)
     mime-types (3.2.2)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2018.0812)
@@ -470,7 +470,7 @@ GEM
     pronto-scss (0.9.1)
       pronto (~> 0.9.0)
       scss_lint (~> 0.43, >= 0.43.0)
-    pry (0.12.0)
+    pry (0.12.2)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     pry-byebug (3.6.0)
@@ -792,7 +792,7 @@ DEPENDENCIES
   fog-aws (= 3.3.0)
   fuubar (= 2.3.2)
   gon (= 6.2.1)
-  guard (= 2.14.2)
+  guard (= 2.15.0)
   guard-cucumber (= 2.1.2)
   guard-rspec (= 4.7.3)
   guard-rubocop (= 1.3.0)