Bump database_cleaner

Gemfile

@@ -282,7 +282,7 @@ group :test do
   # Cucumber (integration tests)
 
   gem "capybara",           "2.18.0"
-  gem "database_cleaner",   "1.6.2"
+  gem "database_cleaner",   "1.7.0"
   gem "poltergeist",        "1.18.1"
 
   gem "cucumber-api-steps", "0.14", require: false

Gemfile.lock

@@ -155,7 +155,7 @@ GEM
       nokogiri (~> 1.5)
       railties (>= 4, < 5.2)
     cucumber-wire (0.0.1)
-    database_cleaner (1.6.2)
+    database_cleaner (1.7.0)
     devise (4.4.3)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
@@ -777,7 +777,7 @@ DEPENDENCIES
   coveralls (= 0.8.22)
   cucumber-api-steps (= 0.14)
   cucumber-rails (= 1.5.0)
-  database_cleaner (= 1.6.2)
+  database_cleaner (= 1.7.0)
   devise (= 4.4.3)
   devise_lastseenable (= 0.0.6)
   diaspora-prosody-config (= 0.0.7)