Merge pull request #8 from ipa-fxm/groovy_dev

update cob_substitute
added substitution for prace_common package
Merge pull request #12 from ipa-bnm/groovy_dev

added substitution for prace_common package
reduced prace substitution to one xacro
reduced prace substitution to one xacro
Merge branch 'hydro_dev' of github.com:ipa-bnm/cob_substitute into hydro_dev

Conflicts:
	prace_common/CMakeLists.txt
	prace_common/mainpage.dox
Merge pull request #16 from ipa-bnm/hydro_dev

reduced prace substitution to one xacro