Border layout tweaks

[briehl]

This is focused on fixing a few minor layout problems in the Narratives tab of the side control panel. Really, we should take the time to refactor that code all together, but this patches over most of the issues for now. We'll have to plan for a deeper refactor later.

[coveralls]

Coverage increased (+4.5%) to 12.31% when pulling 4ba6982 on briehl:card-layout-tweaks into bdbb7b6 on kbase:develop.

[coveralls]

Coverage increased (+0.0004%) to 12.31% when pulling da98e41 on briehl:card-layout-tweaks into b1462e5 on kbase:develop.

[coveralls]

Coverage increased (+0.0004%) to 12.31% when pulling 8a24f29 on briehl:card-layout-tweaks into b1462e5 on kbase:develop.

[coveralls]

Coverage increased (+0.0008%) to 12.31% when pulling 39cccaa on briehl:card-layout-tweaks into b1462e5 on kbase:develop.

[coveralls]

Coverage increased (+0.0008%) to 12.31% when pulling c3ab263 on briehl:card-layout-tweaks into b1462e5 on kbase:develop.

[coveralls]

Coverage increased (+0.1%) to 12.454% when pulling 31ed647 on briehl:card-layout-tweaks into b1462e5 on kbase:develop.

[coveralls]

Coverage increased (+0.0008%) to 12.478% when pulling 35e4bc4 on briehl:card-layout-tweaks into ad74fc5 on kbase:develop.