Revert "Move freeformat files list to download page" For issue #157 #173

This reverts commit 88ab7a5127322c2d83ac4a84e31e1befa299b5a3.

Conflicts:

	app/views/datasets/download_page.html.haml
Merge branch 'master' into upgrade
Merge branch 'master' into admin
Finishes the features mentioned in #137 and fixes #179. EML download
button is now alwas shown in the right sidebar. EML gets a new column
if there are invalid columns in the dataset automatically. This prevents
an invalid EML export.
Merge branch 'master' into eml_improvements

Conflicts:
	app/models/datacolumn.rb
fixes function and adds end
adds the = sign again for monkey path of acl9
added a large file to the test/fixtures
Query whether a datacolumn has invalid values quickly. for issue #185
again cleanup
Primary User CUD feature. for issue #170, #171
Merge branch 'master' into admin