Update CMake documentation (3.7.0, 3.6.3, 3.5.2)

lib/docs/scrapers/cmake.rb

@@ -21,8 +21,13 @@ module Docs
       Licensed under the BSD 3-clause License.
     HTML
 
+    version '3.7' do
+      self.release = '3.7.0'
+      self.base_url = 'https://cmake.org/cmake/help/v3.6/'
+    end
+
     version '3.6' do
-      self.release = '3.6.2'
+      self.release = '3.6.3'
       self.base_url = 'https://cmake.org/cmake/help/v3.6/'
     end