sao: rename SaoLcuParam to SaoCtuParam
sao: rename saoLcuParam to ctuParam
sao: rename resetLcuPart to resetCtuPart
sao: nits
replace LCU with CTU globally in comments
replace lcu with ctu in variable names
analysis: nit
cli: display param->bSaoNonDeblocked as bool in CLI help
analysis: remove default arguments to checkInter_rd5_6 and checkInter_rd0_4
stub in framework for parallel mode analysis and parallel ME
analysis: move non-distributed path into else clause

this is done in a second patch since it touches a lot of code trivially so it
analysis: fixup
slice: better structure packing
ratecontrol: replace an imprecise comparison with a more precise check to ensure
consistency.
ratecontrol: fix float absolute check