CHANGELOG update
0.5.2
update the change log
use queue_size for publishers
rosbridge_server: add install tag for python files, not just symlinks, to make them executable
Merge branch 'groovy-devel' into hydro-devel
Merge pull request #88 from ipa-mig/hydro-devel

Same as #87, just for hydro
Merge pull request #86 from jonbinney/queue-size

use queue_size for publishers
update changelog
0.5.3
Merge remote-tracking branch 'upstream/hydro-devel' into hydro-devel