Merge pull request #229 from nistormihai/master

Concurrency fix and documentation.
LB-1918 Matched plugin with design
Merge pull request #230 from vladnicoara/manual-refresh-plugin

LB-1918 Matched plugin with design
LB-1908 Add custom IVW code to manual refresh button on embed
Merge pull request #231 from vladnicoara/manual-refresh-plugin

LB-1908 Add custom IVW code to manual refresh button on embed
Update CHANGES.txt for 2.0 stable release
Merge pull request #235 from nistormihai/master

LB-1916: Make sure documentation is up to date for 2.0 stable release
Merge pull request #234 from herrhorn/patch-1

Update CHANGES.txt for 2.0 stable release
repo: added coveralls report for karma
Merge pull request #236 from actionless/coverage

repo: added coveralls report for karma
LB-1900: Concurrent request support via child_process exec

If some error in app.js output just set the output to the error body and
error code 400
LB-1937: Create coveralls.io project for liveblog

Added [Coverage Status] image.
Merge branch 'master' of github.com:nistormihai/plugin-liveblog-embed-server