This commit introduces a new helper class, LinearisedOutputTable,
that is oriented towards managing tabular data such as the PVT or
saturation functions in an ECL result set (typically, .INIT file).
The class knows about row padding and the column oriented nature of
Fortran-like tables.
While here, and in anticipation of adding output of tabulated
saturation functions, also provide a mechanism for calculating
slopes of piecewise linear interpolants. The ECL format stipulates
that function derivatives be output along with the actual table
data for most functions.
* Removed all references to state, need to fix initPORV
* Made TransMult return raw pointer const GridProperty over shared pointer.
* Moved getDirectionProperty and hasDirectionProperty out of API
** Removed tests as these methods are no longer public
* Moved grid properties stuff to new class
* Removed use of deck in SatfuncInitializers, moved to TableManager
* Removed shared_ptr for several members of EclipseState and 3DProperties
* Moved region-property from EclipseState to Eclipse3DProperties
* Moved initGridopts from EclipseState to Eclipse3DProperties
* Made several Eclipse3DProperties methods private
* Postprocessors take raw pointers, not shared_ptr---these will be phased out
* Fixed return reference instead of copy several places
** GridProperties<T> in Eclipse3DProperties are now references, not shared_ptr
** Eclipse3DProperties takes const Deck&, not shared_ptr
* Removed obsolete tests
