Create team manager

[ivanseidel]

All implementation was done in View, without the need to change any controller deeply.

Features added/created:

• In-place edit name and flag (with image)
• Edit role object (team) as a JSON string
• Create
• Delete with 'confirm' action dismissable
• Refresh button (force sync)

To add features:

• Import
• Export

[mrshu]

Other than that category item, :+1: !