Add missing assignment operator overload (#3971)
Start work on SolutionRasterizer (#3972)
Add XYZ processing logic (#3972)
Check if x,y,z columns were read, add LF (#3972)
Rewrite XYZ file header with updated number of atoms (#3972)
Merge pull request #3973 from dschwen/ebop_3971

Add missing assignment operator overload
Add test, fix line parse check (#3972)
Merge pull request #3974 from dschwen/solutionxyz_3972

Add SolutionRasterizer with test
Merge commit '8959d48af0e0b142d4d5b117bf10b90b31d55533'