Add v1.2 of VRT (#2)

* update homepage to use github

Author: barnett

.gitmodules

@@ -4,3 +4,6 @@
 [submodule "lib/data/1.1"]
 	path = lib/data/1.1
 	url = [email protected]:bugcrowd/vulnerability-rating-taxonomy.git
+[submodule "lib/data/1.2"]
+	path = lib/data/1.2
+	url = [email protected]:bugcrowd/vulnerability-rating-taxonomy.git

lib/data/1.2

@@ -12,7 +12,7 @@ Gem::Specification.new do |spec|
   spec.email         = ['[email protected]', '[email protected]', '[email protected]']
   spec.date          = '2017-07-21'
   spec.summary       = "Ruby wrapper for Bugcrowd\'s Vulnerability Rating Taxonomy"
-  spec.homepage      = 'http://rubygems.org/gems/vrt'
+  spec.homepage      = 'https://github.com/bugcrowd/vrt-ruby'
   spec.license       = 'MIT'
   spec.files         = Dir['lib/**/*.{rb,json}']
   spec.require_paths = ['lib']