Adds Filesystem adapter (patch #1393 by Paul R).

git-svn-id: http://redmine.rubyforge.org/svn/trunk@1508 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/unit/repository_test.rb

@@ -51,6 +51,8 @@ class RepositoryTest < Test::Unit::TestCase
     repository = Repository::Subversion.new(:project => Project.find(3), :url => "svn://localhost")
     assert !repository.save
     assert_equal :activerecord_error_invalid, repository.errors.on(:type)
+    # re-enable Subversion for following tests
+    Setting.delete_all
   end
   
   def test_scan_changesets_for_issue_ids