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
Indenting CameraFollowMode
Fixed warning in CameraFollowMode.cpp
Added a marching cubes algorithm to retreive normals induced by occupied/free voxels surrounding a given voxel.
Added an example on how to use the function.
Changed the include gard
Changed the signature of the function to use std::vector instead of
point3d*
Changed the example to use std::vector
Changed the return value to true and false instead of an int.
Merge pull request #27 from fmder/devel

Added a marching cubes algorithm to retreive normals
Merge branch 'devel' of github.com:OctoMap/octomap into devel