Redesign layers view

Make it similar to the existing Qt/Coin viewer

added status::todo label

added status::doing label and removed status::todo label

assigned to @dmbrestel

created branch 114-redesign-layers-view to address this issue

mentioned in merge request !29 (merged)

added status::report label and removed status::doing label

added status::doing label and removed status::report label

Followup: #131 (closed)

added status::report label and removed status::doing label

mentioned in commit 730834af

closed