update Gemfile to https:// [#90365848]

Author: jtarchie

cf.Gemfile

@@ -2,5 +2,5 @@ source "https://rubygems.org"
 
 ruby '2.1.1'
 
-gem 'machete', github: 'cf-buildpacks/machete', branch: 'master'
-gem 'buildpack-packager', github: 'cloudfoundry-incubator/buildpack-packager', ref: '3f20e8cb'
+gem 'machete', git: 'https://github.com/cf-buildpacks/machete', branch: 'master'
+gem 'buildpack-packager', git: 'https://github.com/cloudfoundry-incubator/buildpack-packager', ref: '3f20e8cb'

cf.Gemfile.lock

@@ -1,14 +1,15 @@
 GIT
-  remote: git://github.com/cf-buildpacks/machete.git
-  revision: 4f2ac6817b928a85fb4126263124a0f1a4aa06d2
+  remote: https://github.com/cf-buildpacks/machete
+  revision: 148ce08cb6ba25c23bf7fb577b138e868a6f337e
   branch: master
   specs:
     machete (0.0.1)
       httparty
+      rrrretry
       rspec
 
 GIT
-  remote: git://github.com/cloudfoundry-incubator/buildpack-packager.git
+  remote: https://github.com/cloudfoundry-incubator/buildpack-packager
   revision: 3f20e8cb67f4b92057fbea4944dedd0489fd0260
   ref: 3f20e8cb
   specs:
@@ -27,26 +28,28 @@ GEM
       thread_safe (~> 0.1)
       tzinfo (~> 1.1)
     diff-lcs (1.2.5)
-    httparty (0.13.1)
+    httparty (0.13.3)
       json (~> 1.8)
       multi_xml (>= 0.5.2)
     i18n (0.7.0)
-    json (1.8.1)
+    json (1.8.2)
     kwalify (0.7.2)
     minitest (5.5.1)
     multi_xml (0.5.5)
-    rspec (3.0.0)
-      rspec-core (~> 3.0.0)
-      rspec-expectations (~> 3.0.0)
-      rspec-mocks (~> 3.0.0)
-    rspec-core (3.0.4)
-      rspec-support (~> 3.0.0)
-    rspec-expectations (3.0.4)
+    rrrretry (1.0.0)
+    rspec (3.2.0)
+      rspec-core (~> 3.2.0)
+      rspec-expectations (~> 3.2.0)
+      rspec-mocks (~> 3.2.0)
+    rspec-core (3.2.2)
+      rspec-support (~> 3.2.0)
+    rspec-expectations (3.2.0)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.0.0)
-    rspec-mocks (3.0.4)
-      rspec-support (~> 3.0.0)
-    rspec-support (3.0.4)
+      rspec-support (~> 3.2.0)
+    rspec-mocks (3.2.1)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.2.0)
+    rspec-support (3.2.2)
     thread_safe (0.3.5)
     tzinfo (1.2.2)
       thread_safe (~> 0.1)