Fixing compiler warnings under Linux with GCC 4.8 or greater
Fixing initializer list compiler warnings
Fixing more compiler Warnings for GCC > 4.8
Adding templated function to CellArray class that will average the vertex values for a supplied vertex data array onto the cell
Implementing the PIMPL design pattern for the DataArrayPath
Adding default construtor to initialize a Quaternion to the identity
Fixing more compiler warnings for GCC
Fixing crashing bug. Adding short test for the rewritten DataArrayPath codes
Fixing some Doxygen documentation comments
Removing warnings about RGB and RGBA image reading.
adding property CellCentroids to the CellArray class, which as a FloatArray that stores the centroid for each cell; adding functions to the CellArray class to delete and find the cell centroids
Random Number Macro Fix

Assigning a value to a NULL pointer. This modifies an earlier fix for a
warning about type-punned values that GCC was emitting.
Updating Find Sizes Documentation
Merge branch 'attributeMatrix' of https://github.com/dream3d/DREAM3D into JoeyMoveData