update changelog
"1.10.16"
revert use of AI_CONFIG_IMPORT_COLLADA_IGNORE_UP_DIRECTION (fix #44)
"1.10.17"
add DEPENDS for kdl_parser
update changelog
"1.10.18"
Use #!/usr/bin/env python for systems with multiple Python versions.
Merge pull request #49 from bchretien/hydro-devel

Use #!/usr/bin/env python for systems with multiple Python versions.