version up : nginx 1.7.5.

also use the explicit version of nginx-dav-ext-module.
also remove too old nginx-unstable.

component/nginx/buildout.cfg

 [buildout]
 extends =
-  ../pcre/buildout.cfg
-  ../zlib/buildout.cfg
-  ../openssl/buildout.cfg
   ../coreutils/buildout.cfg
   ../git/buildout.cfg
+  ../libexpat/buildout.cfg
+  ../openssl/buildout.cfg
+  ../pcre/buildout.cfg
+  ../zlib/buildout.cfg
 
 parts = nginx-output
 
-[nginx]
+[nginx-common]
 recipe = slapos.recipe.cmmi
-url = http://nginx.org/download/nginx-1.7.2.tar.gz
-md5sum = 68949a7a0bad4615e9b737fc4e6047f2
+url = http://nginx.org/download/nginx-1.7.5.tar.gz
+md5sum = e65aad627acc1cbe26527339a5814d57
+
+[nginx]
+<= nginx-common
 configure-options=
   --with-ipv6
   --with-http_ssl_module
   --with-mail
   --with-mail_ssl_module
-  --with-ld-opt="-L ${zlib:location}/lib -L ${openssl:location}/lib -L ${pcre:location}/lib  -Wl,-rpath=${pcre:location}/lib -Wl,-rpath=${zlib:location}/lib -Wl,-rpath=${openssl:location}/lib"
-  --with-cc-opt="-I ${pcre:location}/include -I ${openssl:location}/include -I ${zlib:location}/include"
+  --with-ld-opt="-L ${openssl:location}/lib -L ${pcre:location}/lib -L ${zlib:location}/lib -Wl,-rpath=${openssl:location}/lib -Wl,-rpath=${pcre:location}/lib -Wl,-rpath=${zlib:location}/lib"
+  --with-cc-opt="-I ${openssl:location}/include -I ${pcre:location}/include -I ${zlib:location}/include"
 
-[webdav-module]
+[nginx-dav-ext-module]
 recipe = hexagonit.recipe.download
-url = https://github.com/arut/nginx-dav-ext-module/archive/master.zip
+url = https://github.com/arut/nginx-dav-ext-module/archive/v0.0.3.tar.gz
 strip-top-level-dir = true
-#md5sum =
+md5sum = 2cb502dbda335be4ebd5fed0b3182bae
 mode = 0644
 
 [nginx-webdav]
-recipe = slapos.recipe.cmmi
-url = http://nginx.org/download/nginx-1.5.3.tar.gz
-md5sum = 1e735dd6a6ade2b5c20e924b67c3d355
+<= nginx-common
 configure-options =
   --with-ipv6
   --with-http_ssl_module
   --with-mail
   --with-mail_ssl_module
-  --with-ld-opt="-L ${zlib:location}/lib -L ${openssl:location}/lib -L ${pcre:location}/lib  -Wl,-rpath=${pcre:location}/lib -Wl,-rpath=${zlib:location}/lib -Wl,-rpath=${openssl:location}/lib -L ${libexpat:location}/lib"
-  --with-cc-opt="-I ${pcre:location}/include -I ${openssl:location}/include -I ${zlib:location}/include -I ${libexpat:location}/include"
+  --with-ld-opt=" -L ${libexpat:location}/lib -L ${openssl:location}/lib -L ${pcre:location}/lib -L ${zlib:location}/lib -Wl,-rpath=${libexpat:location}/lib -Wl,-rpath=${openssl:location}/lib -Wl,-rpath=${pcre:location}/lib -Wl,-rpath=${zlib:location}/lib"
+  --with-cc-opt="-I ${libexpat:location}/include -I ${openssl:location}/include -I ${pcre:location}/include -I ${zlib:location}/include"
   --with-http_dav_module 
-  --add-module='${webdav-module:location}'
+  --add-module='${nginx-dav-ext-module:location}'
 
 [nginx-output]
 # Shared binary location to ease migration
@@ -50,12 +52,6 @@ command = ${coreutils-output:test} -x ${:nginx} -a -f ${:mime}
 nginx = ${nginx:location}/sbin/nginx
 mime = ${nginx:location}/conf/mime.types
 
-
-[nginx-unstable]
-<= nginx
-url = http://nginx.org/download/nginx-1.3.15.tar.gz
-md5sum = ded252047393c79a31b0862e9166a065
-
 [hexaglobe-nginx-module]
 recipe = hexagonit.recipe.download
 url = http://easicloud-p.cdn.hexaglobe.net/nginx-easicloud.tar.gz

software/unstable/reverse-proxy-nginx/instance.cfg.in

@@ -72,7 +72,7 @@ logrotate-backup = $${:backup}/logrotate
 # Deploy nginx and publish connection parameters inside of the recipe
 [reverse-proxy]
 recipe = slapos.cookbook:reverseproxy.nginx
-nginx-executable = ${nginx-unstable:location}/sbin/nginx
+nginx-executable = ${nginx:location}/sbin/nginx
 wrapper = $${directory:bin}/nginx
 
 configuration-file = $${directory:nginx-configuration}/nginx.conf