Move USE_PROJECT_FOLDERS to pcl_options.cmake
Move BUILD_tools to pcl_options.cmake and enable it again
Remove duplicate uninstall message
Don't install correspondence.h twice
Fix initialization order in openni_grabber.cpp
Merge pull request #858 from jspricke/random_fixes

Random Fixes
Move visualization doc from overview to tutorials and remove overview dir
Move generation of advanced doc into own CMakeLists.txt

- Move find_package(Sphinx) into doc/CMakeLists.txt.
- Move Sphinx doctrees into build dir.
- Remove old Makefiles.
Rename ihs_lion_photo.JPG ihs_lion_photo.jpg
Only remove share/doc if WITH_DOCS is set.

- move WITH_DOCS to pcl_options.cmake.