Add quixote work-around for python 2.6

* for every directory containing *.ptl files the next lines must be
   added to the __init__.py file:
   from quixote.ptl import compile_package
   compile_package(__path__)
 * enable_ptl() must not be used.

wcs/qommon/__init__.py

@@ -1,7 +1,9 @@
+from quixote.ptl import compile_package
+compile_package(__path__)
+
 import __builtin__
 
 from quixote import enable_ptl, get_publisher
-enable_ptl()
 
 from publisher import get_cfg, get_logger
 

wcs/qommon/admin/__init__.py

@@ -0,0 +1,2 @@
+from quixote.ptl import compile_package
+compile_package(__path__)

wcs/qommon/backoffice/__init__.py

@@ -0,0 +1,2 @@
+from quixote.ptl import compile_package
+compile_package(__path__)

wcs/qommon/ident/__init__.py

@@ -1,3 +1,5 @@
+from quixote.ptl import compile_package
+compile_package(__path__)
 from quixote import get_publisher
 
 import base