Update Gemfile.lock with https locations

Gemfile.lock

 GIT
-  remote: git@github.com:dementrock/delayed_job_mongoid.git
+  remote: https://github.com/dementrock/delayed_job_mongoid.git
   revision: 48b1420d59bc01e0b1aba1c2ad66bda4a5e04b9a
   specs:
     delayed_job_mongoid (1.0.8)
@@ -7,7 +7,7 @@ GIT
       mongoid (>= 3.0.0.rc)
 
 GIT
-  remote: git@github.com:dementrock/kaminari.git
+  remote: https://github.com/dementrock/kaminari.git
   revision: 82a38e07db1ca1598c8daf073a8f6be22ae714d6
   specs:
     kaminari (0.13.0)
@@ -15,7 +15,7 @@ GIT
       activesupport (>= 3.0.0)
 
 GIT
-  remote: git@github.com:dementrock/mongoid-magic-counter-cache.git
+  remote: https://github.com/dementrock/mongoid-magic-counter-cache.git
   revision: 28bc5e617cab19187b323e7d97d49fe73a7de68a
   specs:
     mongoid_magic_counter_cache (0.1.1)
@@ -23,21 +23,21 @@ GIT
       rake
 
 GIT
-  remote: git@github.com:dementrock/mongoid-tree.git
+  remote: https://github.com/dementrock/mongoid-tree.git
   revision: 5aa7a4ee16cd90dbbcac3ad702446d2119e971df
   specs:
     mongoid-tree (1.0.0)
       mongoid (>= 3.0, <= 4.0)
 
 GIT
-  remote: git@github.com:dementrock/mongoid_taggable_with_context.git
+  remote: https://github.com/dementrock/mongoid_taggable_with_context.git
   revision: 7cf165bd828f969cdd386102eed04ac35431a920
   specs:
     mongoid_taggable_with_context (0.8.1.1)
       mongoid (>= 3.0.1)
 
 GIT
-  remote: git@github.com:dementrock/voteable_mongo.git
+  remote: https://github.com/dementrock/voteable_mongo.git
   revision: 538e86856daa1c180ba80b7c6f2805e531ba420c
   specs:
     voteable_mongo (0.9.3)