XMLSec 1.5.5 no longer has a dbf attribute to set

Change the WhitespaceIgnoringDocumentSerializer to not reference that
variable. The code that referenced it appeared not to have the expected
effect in any case.
Change log message so it passes a single string to trace, not an array

The varargs version of Logger.trace was being called when it appears the
intention was to call the version that took 1 Object parameter.
Merge branch 'fix/fix-compiler-errors-triggered-by-upstream-changes'