Fix Windows repo settings using values from 2015.8 documentation

salt/files/master.d/f_defaults.conf

 #####  Windows Software Repo settings #####
 ###########################################
 # Location of the repo on the master:
-{{ get_config('win_repo_dir_ng', '/srv/salt/win/repo-ng') }}
+{{ get_config('winrepo_dir_ng', '/srv/salt/win/repo-ng') }}
 
 # List of git repositories to include with the local repo:
-{% if 'win_gitrepos_ng' in cfg_master %}
-win_gitrepos_ng:
-  {% for repo in cfg_master['win_gitrepos_ng'] %}
+{% if 'winrepo_remotes_ng' in cfg_master %}
+winrepo_remotes_ng:
+  {% for repo in cfg_master['winrepo_remotes_ng'] %}
   - {{ repo }}
   {% endfor %}
-{% elif 'win_gitrepos_ng' in cfg_salt %}
-win_gitrepos_ng:
-  {% for repo in cfg_salt['win_gitrepos_ng'] %}
+{% elif 'winrepo_remotes_ng' in cfg_salt %}
+winrepo_remotes_ng:
+  {% for repo in cfg_salt['winrepo_remotes_ng'] %}
   - {{ repo }}
   {% endfor %}
 {% else %}