moved the plain text extraction into a class of its own

while doing this figurd out I forgot to include the deletion
of txt-classes in the old package. oops ... fixing

Conflicts:

	src/java/de/csw/xwiki/plugin/OntologyNotificationRule.java
	src/java/de/csw/xwiki/txtservice/XWikiTextServiceEnhancer.java
	src/test/de/csw/xwiki/txtservice/util/PlainTextViewTest.java
(actually just merged over the PlainTextView )
make ugly quickfix to get links inside macros work

(of course this means that macros inside links will not work now)
move code to use PlainTextview here, too

also fix bug where wrongly detected labels got eaten
by the annotateWithSearch

Conflicts:

	src/java/de/csw/ontology/XWikiTextEnhancer.java
  (only whitespace vs removed code)
fix problem if searching for multiword label
also normalize one log statement

Conflicts:

	src/java/de/csw/ontology/XWikiTextEnhancer.java
  (messy imports)
forgot to commit this; should be in in 554beb1bc9

Conflicts:

	src/java/de/csw/xwiki/txtservice/util/PlainTextView.java
  (whitespace)
move PlainTextView to the util package