Use full path to git on windows

Author: smortex

Diff for: spec/spec_helper_acceptance_local.rb

@@ -52,8 +52,8 @@ def create_repo
         exit
       end
     end
-    LitmusHelper.instance.run_shell('git config --global user.email "root@localhost"')
-    LitmusHelper.instance.run_shell('git config --global user.name "root"')
+    LitmusHelper.instance.run_shell('"C:/Program Files/Git/bin/git" config --global user.email "root@localhost"')
+    LitmusHelper.instance.run_shell('"C:/Program Files/Git/bin/git" config --global user.name "root"')
   end
 end