software/nginx-push-stream: use buildout.hash.cfg

This also fixes a md5sum that got out of sync

software/nginx-push-stream/buildout.hash.cfg

+[template]
+filename = instance.cfg.in
+md5sum = eb4c69df9a8dbb94fb76d0a6c11e360f
+
+[template-nginx-service]
+filename = template-nginx-service.sh.in
+md5sum = 49da09608a6439fb8e1e33c286ac6c36
+
+[template-nginx-configuration]
+filename = template-nginx.cfg.in
+md5sum = f5658154b82282bc1871f18ddf4529d8
+
+[template-nginx]
+filename = instance-nginx.cfg.in
+md5sum = 936fea88f5548c4f14e287f1b27dc127

software/nginx-push-stream/software.cfg

@@ -3,6 +3,7 @@ extends =
   ../../stack/slapos.cfg
   ../../component/dash/buildout.cfg
   ../../component/nginx/buildout.cfg
+  ./buildout.hash.cfg
 
 parts =
   slapos-cookbook
@@ -16,28 +17,24 @@ parts =
 [template]
 recipe = slapos.recipe.template
 url = ${:_profile_base_location_}/instance.cfg.in
-md5sum = eb4c69df9a8dbb94fb76d0a6c11e360f
 output = ${buildout:directory}/template.cfg
 mode = 0644
 
 [template-nginx-service]
 recipe = slapos.recipe.template
-url = ${:_profile_base_location_}/template-nginx-service.sh.in
-md5sum = 90ba5a247c489261d3304528cba56e06
+url = ${:_profile_base_location_}/${:filename}
 output = ${buildout:directory}/template-nginx-service.sh.in
 mode = 0644
 
 [template-nginx-configuration]
 recipe = slapos.recipe.template
-url = ${:_profile_base_location_}/template-nginx.cfg.in
-md5sum = f5658154b82282bc1871f18ddf4529d8
+url = ${:_profile_base_location_}/${:filename}
 output = ${buildout:directory}/template-nginx.cfg.in
 mode = 0644
 
 [template-nginx]
 recipe = slapos.recipe.template
-url = ${:_profile_base_location_}/instance-nginx.cfg.in
-md5sum = 936fea88f5548c4f14e287f1b27dc127
+url = ${:_profile_base_location_}//${:filename}
 output = ${buildout:directory}/instance-nginx.cfg.in
 mode = 0644