change version to 2.1.2
Updated re-login text to be more friendly
Chapters use KS from player ( in case admin ks was provided )
added info, related and share to feature list
PlaybackRate: Never list speed as "null" instead use 1 if unset or zero
Merge branch 'master' into 2.2-2-Feb-Studio

Conflicts:
	includes/DefaultSettings.php