frameencoder: remove barely use helper function getRDGoOnSbacCoder
frameencoder: remove rarely used getRowCoder() and getBufferSBac()
ctu: inline setThreadLocalData() for better clarity
cu: pass bit counting flag as argument to encodeCU
cu: assign m_rdGoOnSbacCoder without helper methods
cu: nit
cu: remove more set methods
cu: remove get/set methods for its own member variable
entropy: nits
entropy: remove temporary helper function
csv: add slice-type stats to encode summary, avoid dup copies of summary string
avoid VS2008 and MinGW ambiguous pow() build warning
rc: allocate HRD SEI structures on demand, fix RCE vtable/memset bug
cu: cleanup and simplify initCU
cu: do not copy a QP buffer into itself - prevents valgrind warning
frameencoder: nits
Merge with default (prepare for 1.2)

--HG--
branch : stable
TEncCU: save CABAC context missing after merge

Also removed an extra context save

--HG--
branch : stable
TEncCU: bug fix introduced in commit 8a5b02464813

Remove the xCheckBestMode call, add in a ccontext save.

--HG--
branch : stable
Merge with stable