Danish translstion: 72%
package definition for Russian translation
Check the option table unique key and purge old options

purge the zenphoto_version option before storing it to insure only one
copy.
Merge pull request #273 from zenphoto/jesdnissen-translation-danish-144

Danish translstion: 72%
Merge remote-tracking branch 'origin/master' into 1.4.5

Conflicts:
	zp-core/Zenphoto.package
	zp-core/locale/da_DK/LC_MESSAGES/zenphoto.mo
	zp-core/locale/da_DK/LC_MESSAGES/zenphoto.po
	zp-core/setup/index.php

	modified:   zp-core/locale/da_DK/LC_MESSAGES/zenphoto.mo
	modified:   zp-core/locale/da_DK/LC_MESSAGES/zenphoto.po
	new file:   zp-core/locale/da_DK/LC_MESSAGES/zenphoto.po~
	modified:   zp-core/setup/setup-option-defaults.php
	deleted:    zp-core/locale/da_DK/LC_MESSAGES/zenphoto.po~