update development dependencies

Gemfile

@@ -1,5 +1,10 @@
 source 'https://rubygems.org'
 
+git_source(:gitlab) do |repo_name|
+  repo_name = "#{repo_name}/#{repo_name}" unless repo_name.include?("/")
+  "https://gitlab.com/#{repo_name}.git"
+end
+
 # Declare your gem's dependencies in dunlop-ember.gemspec.
 # Bundler will treat runtime dependencies like base dependencies, and
 # development dependencies will be added by default to the :development group.
@@ -17,7 +22,8 @@ group :development, :test do
   gem 'rspec-rails'
   gem 'cancancan'
   gem 'slim-rails'
-  gem 'dunlop-core',  github: 'companytools/dunlop-core',  branch: 'master'
+  gem 'paperclip', '~> 5.3'
+  gem 'dunlop-core',  gitlab: 'benja-2/dunlop-core',  branch: 'master'
   #gem 'dunlop-core', path: '~/development/rails/components/dunlop-core'
   gem 'factory_girl_rails'
   gem 'active_model_serializers'

Gemfile.lock

@@ -1,5 +1,5 @@
 GIT
-  remote: git://github.com/companytools/dunlop-core.git
+  remote: https://gitlab.com/benja-2/dunlop-core.git
   revision: 2ab9ad0b61aa5cd14528fc00a41de20532cb4f26
   branch: master
   specs:
@@ -102,6 +102,7 @@ GEM
       xpath (~> 3.1)
     case_transform (0.2)
       activesupport
+    climate_control (0.2.0)
     coderay (1.1.2)
     coffee-rails (4.2.2)
       coffee-script (>= 2.2.0)
@@ -165,6 +166,9 @@ GEM
       mimemagic (~> 0.3.2)
     memoist (0.16.0)
     method_source (0.9.0)
+    mime-types (3.1)
+      mime-types-data (~> 3.2015)
+    mime-types-data (3.2016.0521)
     mimemagic (0.3.2)
     mini_mime (1.0.0)
     mini_portile2 (2.3.0)
@@ -175,6 +179,12 @@ GEM
     nokogiri (1.8.2)
       mini_portile2 (~> 2.3.0)
     orm_adapter (0.5.0)
+    paperclip (5.3.0)
+      activemodel (>= 4.2.0)
+      activesupport (>= 4.2.0)
+      mime-types
+      mimemagic (~> 0.3.0)
+      terrapin (~> 0.6.0)
     pickadate-rails (3.5.5.0)
       railties (>= 3.1.0)
     polyamorous (1.3.3)
@@ -294,6 +304,8 @@ GEM
       activerecord (>= 4.1, < 6.0)
       state_machines-activemodel (>= 0.5.0)
     temple (0.8.0)
+    terrapin (0.6.0)
+      climate_control (>= 0.0.3, < 1.0)
     thor (0.20.0)
     thread_safe (0.3.6)
     tilt (2.0.8)
@@ -321,6 +333,7 @@ DEPENDENCIES
   dunlop-ember!
   factory_girl_rails
   kaminari
+  paperclip (~> 5.3)
   pry-doc
   pry-rails
   rack-cors