Migrated Denkmal_Model_Venue to schema approach
Rename venueAlias.venueId -> .venue
Replace getters and setters, add schema
Updated table name, fixed getAddress()
Updated table name in paging
Updated DB structure
Adjusted test
Updated docu
Updated docu for setCoordinates()
Allowed coordinates to be null, adjusted test
Adjusted test
Reverted to assertSame again
Adjusted test: removed 'Foo'
Changed order of params
Adjust create method
Adjust/simplify tests
Adjust create usage
Merge branch 'master' of github.com:denkmal/denkmal.org into issue-9

Conflicts:
	tests/library/Denkmal/Model/EventTest.php
Merge pull request #11 from mariansollmann/issue-11

Refactor model: Message
Merge branch 'master' of github.com:denkmal/denkmal.org into issue-9

Conflicts:
	tests/library/Denkmal/Model/EventTest.php