TComData: do not leave m_tqBypassOrigYuv uninitialized
common: break into debugger when check fails in debug build
motioninfo: coding style rename of m_MVFieldMemPool
datacu: coding style rename of m_DataCUMemPool and m_CULocalData
search: make bidir temp YUVs Search members

I can't believe we've been allocing them every predInterSearch() call for the
last 2 months.