stack/cacause: Do not use generic names

  extra-eggs conflicts with monitor setup.

stack/caucase/buildout.cfg

@@ -14,7 +14,7 @@ extends =
 parts =
   instance-caucase
 
-[extra-eggs]
+[caucase-extra-eggs]
 recipe = zc.recipe.egg
 interpreter = python_ca
 eggs =
@@ -63,7 +63,7 @@ context =
   raw slapos_kill_bin ${buildout:directory}/bin/slapos-kill
   raw template_httpd_auth_conf ${template-httpd-auth-conf:location}/${template-httpd-auth-conf:filename}
   raw openssl_executable_location ${openssl:location}/bin/openssl
-  raw python_bin ${buildout:directory}/bin/${extra-eggs:interpreter}
+  raw python_bin ${buildout:directory}/bin/${caucase-extra-eggs:interpreter}
 
 [instance-caucase]
 recipe = slapos.recipe.template:jinja2
@@ -83,7 +83,7 @@ context =
   raw slapos_kill_bin ${buildout:directory}/bin/slapos-kill
   raw gunicorn_bin ${buildout:directory}/bin/gunicorn
   raw openssl_executable_location ${openssl:location}/bin/openssl
-  raw python_bin ${buildout:directory}/bin/${extra-eggs:interpreter}
+  raw python_bin ${buildout:directory}/bin/${caucase-extra-eggs:interpreter}
 
 
 [versions]