merge hidden and enabled to ignore (will be used to ignore scrapper)
Merge branch 'master' of github.com:denkmal/denkmal.org into issue-31

Conflicts:
	tests/library/Denkmal/Paging/Event/DatePublicTest.php
changed hidden to ignore
changed scrapper to scraper
ignore not null
Dont consider "ignore" here
Denkmal_Model_Venue: Adjust Schema
Merge pull request #31 from mariansollmann/issue-31

Change venue hidden/enabled to "ignored"