update vtk
Merge pull request #41 from judajake/update_vtk

update vtk
using robs remus repo

For now use robs remus repo so we have access to a branch needed for building
Merge pull request #42 from judajake/remus_repo

using robs remus repo
superbuild: resolve the top-level dir properly

If the superbuild is built through a symlink, the '..' resolution may be
wrong. Instead, get the fully-qualified path to the superbuild then
compute the parent from that.
nuclearRGG: use VTK's install tree

The CMAKE_INSTALL_PREFIX will be used to search lib/cmake/vtk-6.2
automatically. The build tree shouldn't be used because rpaths will be
wrong in the binaries.
fix windows build
Merge pull request #44 from mathstuf/use-installed-vtk

nuclearRGG: use VTK's install tree
Merge pull request #43 from mathstuf/superbuild-symlink

superbuild: resolve the top-level dir properly
some reason something was missed
disable dap on windows because no curl
Merge pull request #45 from judajake/window_fixes

Window fixes