switch back to released octokit gem

Gemfile

@@ -20,7 +20,7 @@ group :development do
   # for development and testing purposes
   gem 'pry', git: 'https://github.com/pry/pry', branch: 'master'
   # module documentation
-  gem 'octokit', git: 'https://github.com/octokit/octokit.rb', branch: 'master'
+  gem 'octokit'
 end
 
 group :development, :test do

Gemfile.lock

@@ -12,14 +12,6 @@ GIT
   specs:
     bit-struct (0.15.0)
 
-GIT
-  remote: https://github.com/octokit/octokit.rb
-  revision: 5b43070ea756af5d2f3ae2ad419ee6db67539344
-  branch: master
-  specs:
-    octokit (4.6.2)
-      sawyer (~> 0.8.0, >= 0.5.3)
-
 GIT
   remote: https://github.com/pry/pry
   revision: 1f64463184e0a160d0b41d1a1f92b8e2f230278c
@@ -250,6 +242,8 @@ GEM
     nexpose (6.0.0)
     nokogiri (1.7.1)
       mini_portile2 (~> 2.1.0)
+    octokit (4.7.0)
+      sawyer (~> 0.8.0, >= 0.5.3)
     openssl-ccm (1.2.1)
     openvas-omp (0.0.4)
     os (0.9.6)
@@ -396,7 +390,7 @@ DEPENDENCIES
   fivemat
   metasploit-framework!
   method_source!
-  octokit!
+  octokit
   pry!
   rake
   redcarpet