component/psycopg2: new component

taken from unstable lapp stack

component/psycopg2/buildout.cfg

+[buildout]
+extends =
+  ../postgresql/buildout.cfg
+
+[psycopg2-env]
+PATH = ${postgresql:location}/bin:%(PATH)s
+
+[psycopg2]
+recipe = zc.recipe.egg:custom
+egg = psycopg2
+define = PSYCOPG_EXTENSIONS,PSYCOPG_DISPLAY_SIZE,PSYCOPG_NEW_BOOLEAN,HAVE_PQFREEMEM,HAVE_PQPROTOCOL3
+environment = psycopg2-env
+include-dirs =
+  ${postgresql:location}/include
+library-dirs =
+  ${postgresql:location}/lib
+rpath = 
+  ${postgresql:location}/lib

stack/unstable/lapp/buildout.cfg

@@ -36,6 +36,7 @@ extends =
   ../../component/stunnel/buildout.cfg
   ../../component/dropbear/buildout.cfg
   ../../component/pycurl/buildout.cfg
+  ../../component/psycopg2/buildout.cfg
   ../slapos.cfg
   ../resilient/buildout.cfg
 
@@ -127,26 +128,6 @@ md5sum = d95205a5fc2825e9709ed6db295111e2
 mode = 0644
 
 
-#----------------
-#-- Postgres driver for Python recipes.
-
-[psycopg2-env]
-PATH = ${postgresql:location}/bin:%(PATH)s
-
-
-[psycopg2]
-recipe = zc.recipe.egg:custom
-egg = psycopg2
-define = PSYCOPG_EXTENSIONS,PSYCOPG_DISPLAY_SIZE,PSYCOPG_NEW_BOOLEAN,HAVE_PQFREEMEM,HAVE_PQPROTOCOL3
-environment = psycopg2-env
-include-dirs =
-    ${postgresql:location}/include
-library-dirs =
-    ${postgresql:location}/lib
-rpath = 
-    ${postgresql:location}/lib
-
-
 #----------------
 #--
 #-- Optional part allowing applications using this stack to run a custom