add changelog
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0.5.2
Merge branch 'indigo_dev' into indigo_release_candidate
update changelog
0.6.0
Merge branch 'indigo_dev' into indigo_release_candidate
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0.6.1
Merge pull request #44 from ipa320/indigo_release_candidate

Indigo release candidate
Merge branch 'indigo_dev' of github.com:ipa320/cob_navigation into indigo_dev