Removed binvox binaries from octomap source
Updated READMEs with new code / doc locations
Documentation updates
.gitignore html/ folder (contains gh-pages branch)
valgrind output to .gitignore
Changelog for 1.5.4 release
Merge branch 'v1.5-fixes' for release
Fix: increased version in CMakeLists to 1.5.4
Merge branch 'v1.5-fixes'
Merge branch 'devel' (1.6.0 release)

Conflicts:
	octomap/CHANGELOG.txt
	octomap/CMakeLists.txt
Merge branch 'devel'
Merge branch 'devel'
Merge branch 'devel'
Merge branch 'devel'
add missing includes

This is required on QGLViewer > 2.5 as the other headers only have forward
references on ManipulatedFrame and ManipulatedCameraFrame. Since the added
headers exist on older versions of QGLViewer, it should not be an issue on older
versions of the library.