SCC : Tag 16.4_SCM 4.1

The changes over SCM4.0 are
•	JCTVC-T0048 - Bug fix related to IBC restriction within the current slice 
•	JCTVC-T0056 - Bug fix related to IBC restriction within the current tile 
•	JCTVC-S0043 - Syntax for supporting deltaQP 
•	Removal of Macro's related to SCM4.0
•	Other cleanups/bug fixes 
o	Bug Fix  : when IBC is turned off in Test condition
o	Bug Fix  : Related to IBC hash search for non-64x64 CTU sizes
o	Bug Fix  : Ticket#1311 : inconsistent cost calculation
o	Bug Fix  : When multiple-slices are used together with RPLM. 
o	Clean-up : IBC functionality aligned with spec.
o	Clean-up : Remove the code related to maintenance of LastIntraBCMv      
o	Clean-up : Disabled and removed the macro SCM_IBC_CLEANUP_IDENTICAL_RDO