Improve readability regarding relationship between current orientation lock and active orientation lock.
Two more re-wording.
Applies Anne's comments
Merge pull request #61 from mounirlamouri/active_current_orientation_lock

Improve readability regarding active/current orientation lock.
Update index.html

Fixed two words inversions.
Merge pull request #65 from AurelioDeRosa/patch-1

Fix typo (is method => method is).
Added note: non-visible docs get stalled orientation (closes #28)
Tried to fix queuing problem (closes #47)
Clarified context for "apply an orientation lock" (closes  #44)
Crossref to Document
Fixed up note based on Mounir's suggestions