Corrected typo.
Fix CMake executable macro

- Added a macro for non-cuda / non-glfw executables to add proper dependencies for ICC
- Switched various examples & regressions
Install documentation into share/doc/opensubdiv/

Per the Filesystem Hierarchy Standard:

http://www.pathname.com/fhs/pub/fhs-2.3.html#SPECIFICOPTIONS15
Adding the ability of specifying the directory for the HTML documentation
as a sub-directory of the general installation directory (this is how
the graphics.pixar.com site is built).
Merge pull request #225 from hiroakit/dev

Corrected typo.

CLA received and on file - thank you very much !

PS: i have taken a pass over the week-end at re-organizing the directory structure of the documentation but it's not quite there yet... if you want to get started on translation, i would suggest forking the repo and the following directory: documentation/ja_JP where you can start putting translated copies of the rst files.
Set GLFW_OPENGL_FORWARD_COMPAT on Mac OS to make samples work on that platform.
Fixed "Quit" menu option in glBatchViewer.
Expand search paths for FindGLFW.cmake for Debian and other Linux architectures

PS: i have no access to a Debian release atm, so confirmation that this actually works
would be nice...
Fix boundary interpolation rules doc
Fixed glBatchViewer build for GLFW 2.x
Add a figure to the vertex boundary interpolation doc
Correct vertex boundary interpolation rules doc

(hopefully i got it right at last...)
Add a slider component and cleanup hud code.
Add a new ptex mipmap loader. very slow...
Second derivatives computation, fix tangent/bitangent length
Analytical displacement mapping,
 from 'Analytic Displacement Mapping using Hardware Tessellation; Niessner and Loop [TOG 2013])

and ptexViewer code cleanup