Listed view for blog posts

LBSD-260
html indented with spaces
e2e tests for listed view

LBSD-260
e2e tests for listed view : don't compare with previous view but with prepopulated data

LBSD-260
Merge pull request #34 from vied12/listed-view-LBSD-260

Listed view LBSD-260
LBSD-262: Implement basic list of posts
Merge pull request #35 from vladnicoara/simple-timeline

LBSD-262: Implement basic list of posts
chore(update): update superdesk-client dependency.
Merge pull request #36 from nistormihai/superdesk-update

chore(update): update superdesk-client dependency.