repo: readme: updated for version 2.0.1-stable
LB-1938: Allow putting an updated post from a chained blog to the top; done
LB-1939: If post was unpublished from chained blog after it appeared in the main blog it not disappears from there
* fixed
Merge pull request #841 from msat-cont/master

LB-1938: Allow putting an updated post from a chained blog to the top
Merge pull request #843 from superdesk/devel

Devel
repo: readme: slight fix
Merge pull request #844 from actionless/master

repo: readme: slight fix
Merge pull request #845 from superdesk/master

Devel update.