v4.0.1

Avalon 7.7.1 release

SME tag for Avalon v7.7 release

Merge pull request #175 from avalonmediasystem/fix-alert-message

Fix manifest fetch error alerts

Merge pull request #30 from avalonmediasystem/edit-one-item-at-a-time

Disable other editing actions when DnD is turned on for an item

Merge pull request #30 from avalonmediasystem/edit-one-item-at-a-time

Disable other editing actions when DnD is turned on for an item

Merge pull request #29 from avalonmediasystem/change-waveform-color

Change waveform default color