ERP5: really fix build of [slapos-deps-eggs]

This fixes the following random failures:

While:
  Installing slapos-deps-eggs.
  Getting distribution for 'ZODB3==3.10.5+SlapOSPatched001'.

An internal error occurred due to a bug in either zc.buildout or in a
recipe being used:
Traceback (most recent call last):
  ...
  File "zc/buildout/easy_install.py", line 968, in _get_dist
    shutil.copytree(dist.location, newloc)
  File "shutil.py", line 177, in copytree
    os.makedirs(dst)
  File "os.py", line 157, in makedirs
    mkdir(name, mode)
OSError: [Errno 17] File exists: '.../eggs/ZODB3-3.10.5-py2.7-linux-x86_64.egg'

software/neoppod/software-common.cfg

@@ -19,14 +19,16 @@ extends =
     ../../component/pycrypto-python/buildout.cfg
 
 parts =
+# keep neoppod first so that ZODB3 is built correctly,
+# before any other section that would depend on it
+    neoppod
     slapos-deps-eggs
     slapos-cookbook-develop
     slapos-cookbook
-# NEO & dependencies
+# NEO dependencies
     python2.7
     mariadb
     mysql-python
-    neoppod
 
 [slapos-deps-eggs]
 recipe = zc.recipe.egg

stack/erp5/buildout.cfg

@@ -570,9 +570,7 @@ Products.DCWorkflow-patch-options = -p1
 
 [zodbanalyze]
 recipe = zc.recipe.egg
-eggs =
-  ZODB3
-  erp5.util
+eggs = erp5.util
 entry-points =
   zodbanalyze=erp5.util.zodbanalyze:main
 scripts = zodbanalyze