Typo!?

(cherry picked from commit e0ea7fddb223b21c0f69e20d9930d133836c23c2)
cherry pick smallint commit 20bb11e22d "Allow faster release of unqueued buffers"
Removed the mix with queueing in Decode function,
it will come as a second commit...
cosmetics : Rephrase a comment
Chrry pick smallint commit ec62da5f56 : Enable decoder Queueing
Cosmetics : Remove log
Add env var IMX_NOPTS to allow to disable pts use
It mainly aims at easier investigations following
smallint's commit bf296cef68
Remove useless method invocation
Merge branch 'imx-wip' of https://github.com/wolfgar/xbmc into imx-wip