fix ASL website URL

update ASL website URL

Merge pull request #50 from StefanBruens/fixup-vtk

Fixup VTK 7.x support, remove VTK 6.x support

Merge pull request #49 from opoplawski/cmake

Require cmake 3.1.0 for FindOpenCL and CMAKE_CXX_STANDARD 11

Adding CTestConfig.cmake

Merge pull request #44 from opoplawski/VTK8

Allow builds with VTK8

Merge pull request #39 from cyclaero/master

issue #31 – Implicit conversions between built-in vector data types (here double to float) are disallowed in OpenCL 1.2, and LLVM does enforce this. Therefore explicitly coerce ACL constants to float.

Merge pull request #37 from metorm/master

Bugfix: "ambiguous call to 'select'" caused by aslLevelSetLinear.cxx

Merge pull request #35 from cyclaero/master

back ported 2 fixes from cl2.hpp to the present cl.hpp for the specialized GetInfoHelper for string params, namely fix the trailing '\0' issue and the empty string result issue.