Collector #433: Code cleanup and a modified import mechanism for splitters

caused trouble with backward compatiblity. The content of the __init__.py is
necessary for pre-2.6 installation but no longer used in 2.6.

doc/CHANGES.txt

@@ -4,6 +4,12 @@ Zope Changes
   Change information for previous versions of Zope can be found in the
   file HISTORY.txt.
 
+    Bugs Fixed
+
+      - Collector #433: Fixed broken Splitter backwards compatiblity
+        issue caused by code cleanup.
+
+
   Zope 2.6.0 alpha 1
 
     Features Added
@@ -120,7 +126,7 @@ Zope Changes
         enables retrieval of the document source for dedicated WebDAV 
         clients (see ENVIRONMENT.txt for usage)
 
-      - Collector #272: Optimisations for RESPONSE.write
+      - Collector #272: Optimizations for RESPONSE.write
 
       - Collector #271: New environment variables are now used
         to send the access log into syslog. ZSYSLOG_ACCESS,

lib/python/Products/PluginIndexes/TextIndex/Splitter/ISO_8859_1_Splitter/__init__.py

+from ISO_8859_1_Splitter import ISO_8859_1_Splitter
+
+def Splitter(txt,stopwords=None,encoding='latin1'):
+    return ISO_8859_1_Splitter(txt,stopwords)

lib/python/Products/PluginIndexes/TextIndex/Splitter/UnicodeSplitter/__init__.py

-
+from UnicodeSplitter import UnicodeSplitter as Splitter

lib/python/Products/PluginIndexes/TextIndex/Splitter/ZopeSplitter/__init__.py

+from ZopeSplitter import ZopeSplitter 
+
+def Splitter(txt,stopwords={},encoding="latin1"):
+    return ZopeSplitter(txt,stopwords)