Implement core@0.12

For local use only.

Components to use:

• Notifications @0.7
• Job board @0.7
• Directory @0.8
• Dashboard @0.5
• Solid XMPP Chat @1.1

Broken:

• framework/sib-core#658 (closed) (Related to the router, will not be fixed on release)

Fixed, re-factored:

• Circles
• Projects
• few CSS
• framework/sib-core#657 (closed)
• framework/sib-core#656 (closed)
• https://git.startinblox.com/framework/sib-core/wikis/Release-Note/0.11
• https://git.startinblox.com/framework/sib-core/wikis/Release-Note/0.12