Fixing caps and doing some changes
Adding stride and interlaced values to caps, and cleaning code
Doing changes for take in account stride and interlaced values from incoming caps
Modifying omx_mpeg2dec plugin in order to set the right interlaced value on caps for source pad
Changes on base class to set the right nFilledLen and nOffset when there is a peerbuf and fixing compilation warnings, also adding interlaced variable to GstOmxFormat struct
Merge remote-tracking branch 'origin/h264dec'