Release 2.6.4
Bug 739380 - Release tarball build fails. Git builds OK.
Fix path of freshly added xml files
Correct an error about equity being increased by a credit.
Add an entity "untranslated" to mark partial translations
Apply &untranslated; in guide/de

Additional a few comments, where the translation is no longer syncron
with the english text
Merge branch 'maint'

Conflicts:
	configure.ac