Additional tests for tagsets

A lot more testing for tag set functionality.

Signed-off-by: shalott <shalott@gmail.com>
Fix for issue 2870: associations duplicating canonical links can't be saved

The fix for this is pretty simple -- just take out the validation. Nothing actually gets hurt by a tag set association duplicating a canonical association. :P

Signed-off-by: shalott <shalott@gmail.com>
Fix for issue 3754: tags with brackets can't be approved or rejected.

https://code.google.com/p/otwarchive/issues/detail?id=3754
Signed-off-by: shalott <shalott@gmail.com>
Test for issue 3639, unicode tags

https://code.google.com/p/otwarchive/issues/detail?id=3639
Signed-off-by: shalott <shalott@gmail.com>
missed the tagnames in the reject boxes

Also updated the test to have a rejection and not just an approval.

Signed-off-by: shalott <shalott@gmail.com>
Merge pull request #1320 from shalott/tagsets_fixes

Tagsets fixes