Norwegian nb.po translation updates. Also edit all syntax screens to fit  inside 80 columns.
Norwegian nb.po translation updates. Also edit all syntax screens to fit 
inside 80 columns.

* subversion/po/nb.po
  - Add new messages from svndumpfilter(1)
  - Edit messages for the syntax screens to not exceed 79 columns
  - A couple of typo fixes at the svn propset help screen

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion