better styling on the instance divider on the newsletter edit.

The prior styles didn't work correctly in Safari.
Add --force-all flag to the campaign segment cache updater app.

This allows us to force the update of the cache counts for segments that are not enabled, which can be useful for the occasional one-off email.
Allow editing newsletter with a hidden campaign segment without having to change the segment.

In the list of visible segments, always include the campaigns current segment.
Merge pull request #1 from isaacgrant/fix-instance-divider-styles

better styling on the instance divider on the newsletter edit.
Merge pull request #2 from isaacgrant/force-segment-cache-update

Add --force-all flag to the campaign segment cache updater app.
Merge pull request #3 from isaacgrant/edit-with-hidden-campaign-segment

Allow editing newsletter with a hidden campaign segment without having to change the segment
prepare for release of 0.2.30 | package party