LB-382: Blog provider plugin
* chained blogs via the superdesk-source && type
LB-382: Blog provider plugin
Handle liveblog submenus via router.
LB-91: Refactor admin templates

Added missing __init__.py
LB-91: Refactor admin templates

Added missing __init__.py
Merge branch 'devel' into 368-chained-blogs
LB-91: Refactor admin templates

Avatar issues.
LB-321: Avatar images don't look good on some pages in Chrome

Fixed.
LB-321: Avatar images don't look good on some pages in Chrome

fixed for manage collaborators.
Define liveblog router and use this in submenu.

Put LiveBlog routes in specific router.
Remove click handlers for submenu items.
Fix indentation.

Use only spaces not tabs.
Fix live blog archive.

Add liveblog archive to router and use links to jump from
archive to blog edit.
Merge branch '350-chain-blogs' of git://github.com/sourcefabric/Superdesk into 350-chain-blogs
Handle redirect after creating new blog.

Use backbone history for nagivation after creating new blog.
Use links for navigation from dashboard to blogs.

Instead of click handlers use links and router for dashboard
blog listings.
Fix Live Blog config close action.

Use router to navigate when closing blog config screen.
Merge branch '350-chain-blogs' of github.com:petrjasek/Superdesk into 350-chain-blogs
Initial manage feeds view commit.

Define ManageFeedsView and trigger it via router.
Set manage feeds menu item active state.

Put missing ui data to manage feed template rendering.
Initial manage feed list implementation.