initial changes for ppcg
fixed to control code
Creting more work arrays etc for ppcg
Added cg precontion ifdefs to ch, and fixed some problems with ppcg
Changed printing and fixed cg coefficients being calculated correctly with ppcg
moved CN calculation
fixed initialising rro with the ppcg initial cg steps
Updated c++ files to be consistent with the fixed cloverleaf versions and new buffer packing scheme
Updating some of the fortan die buffer packing
reverting to odler decomposition
changed to 'chunks per task' instead of number of chunks
back to newer decomposition
Merge branch 'master' of github.com:Warwick-PCAV/TeaLeaf_OpenCL