Modified vietnamese setting
Uncommenting img
Merge branch 'master' of http://github.com/knxm/mathlibre
Merge branch 'master' of http://github.com/knxm/mathlibre
Merge branch 'master' of http://github.com/knxm/mathlibre
Merge branch 'master' of http://github.com/knxm/mathlibre
Merge branch 'master' of http://github.com/knxm/mathlibre
Added russian language setting file.