VK provider was added.
simplified chinese message

Add Simplified Chinese message file
Merge pull request #151 from wuhaixing/master

Simplified Chinese message
Merge pull request #145 from KonstantinGrigoriev/master

VK.com provider
updated change log
Merge branch 'master' of https://github.com/jaliss/securesocial

Conflicts:
	ChangeLog
	docs/src/manual/source/guide/configuration.md
	docs/src/manual/source/guide/installation.html.md.erb
	samples/java/demo/conf/play.plugins
	samples/java/demo/conf/securesocial.conf
	samples/scala/demo/conf/play.plugins
	samples/scala/demo/conf/securesocial.conf