bump timecop

Gemfile

@@ -271,7 +271,7 @@ group :test do
   # General helpers
 
   gem "factory_girl_rails", "4.5.0"
-  gem "timecop",            "0.7.4"
+  gem "timecop",            "0.8.0"
   gem "webmock",            "1.21.0", require: false
   gem "shoulda-matchers",   "2.8.0", require: false
 end

Gemfile.lock

@@ -697,7 +697,7 @@ GEM
     thor (0.19.1)
     thread_safe (0.3.5)
     tilt (1.4.1)
-    timecop (0.7.4)
+    timecop (0.8.0)
     timers (4.0.1)
       hitimes
     twitter (5.14.0)
@@ -862,7 +862,7 @@ DEPENDENCIES
   spring-commands-cucumber (= 1.0.1)
   spring-commands-rspec (= 1.0.4)
   test_after_commit (= 0.4.1)
-  timecop (= 0.7.4)
+  timecop (= 0.8.0)
   twitter (= 5.14.0)
   twitter-text (= 1.12.0)
   typhoeus (= 0.7.2)