Since VTK-m now requires C++11 it is safe to remove our custom defines
and move to using the keyword directly.

Sandia National Laboratories recently changed management from the
Sandia Corporation to the National Technology & Engineering Solutions
of Sandia, LLC (NTESS). The copyright statements need to be updated
accordingly.

clang-format BinPack settings have been disabled to make sure that the
VTK-m style guideline is obeyed.

Change the VTKM_CONT_EXPORT to VTKM_CONT. (Likewise for EXEC and
EXEC_CONT.) Remove the inline from these macros so that they can be
applied to everything, including implementations in a library.

Because inline is not declared in these modifies, you have to add the
keyword to functions and methods where the implementation is not inlined
in the class.

Instead of labeling each method that needs to have visibility
we can label entire classes, this reduces the amount of noise and
potential for mistakes when writing classes.

The clang compiler was running into linker errors constructors of
classes with virtual methods that were inline and destructors that were
not declared at all. In this case, the compiler was not creating
everything needed by a virtual table and the link died.

Also made the TextAnnotation classes conform better to VTK-m coding
style. Specifically, changed the order of words in subclass names (e.g.
TextAnnotationBillboard instead of BillboardTextAnnotation) and broke
out each subclass into its own header/source files.

snprintf is incorrect pre-VS2013.
There are iterator issues (see 2121a36f)
far is a reserved #defined in windows *sigh*

Remove the ever fun loss of precision warning.

This function is not portable to all MSVC compilers. Instead, use the
standard C++ stringstream that should be in every C++ compiler.

The template parameters on vtkm::rendering::View are unnecessary. All
three of the templated classes are polymorphic (with virtual functions).
Thus, you just have to specify them at the constructor. Removing the
template parameters makes the syntax a bit cleaner and removes some
unnecessary duplication in the executable.

Removing the template does mean we cannot optimize in the future.
However, I expect us to start using more virtual methods rather than
less, so I think this is a move in the right direction.

The word surface is more often used for something like a polygonal mesh,
so this name is quite confusing. Canvas is consistent with a
conventional name in GUI widget APIs.

This name was chosen to reflect the analogous name in VTK.