included the option for linear_nav to perform the controller step frequently and update the goal with each topic callback instead of using actions
Merge remote-tracking branch 'origin-ipa-aub/hydro_dev' into feature/baer_error_control
Merge pull request #31 from ipa-fmw/hydro_dev

add missing dependency to navigation
set minimal linear velocity in local_planner_eband.yaml to 0 to allow in place rotation
Merge pull request #32 from ipa-frm/hydro_dev

set minimal linear velocity in local_planner_eband.yaml to 0 to allow in...
added the new scan_unifier as well as a dummy config file and removed the old one
updated scan_unifier to parse scan_topics for subscription from parameter-server. added scan_unifier config-files for each robot. modified launch files for navigation and amcl to use scan_unifier
removed start delay as parameter and added try-catch-phrase around waitForTransform in scan unifier instead to avoid tf-crash
renamed ipa_navigation_scan_uniffier to cob_scan_unifier
Update scan_unifier_node.h

fixed intendation
removed start_delay from scan-unifier configs and intendation-fix
merge
another indentation-fix-attempt
updated license tag in cob_scan_unifier
cob_linear_nav: initialize variable and add assertions
cob_linear_nav: change assert to try-catch to check that in all modes
adjusted license header in cob_scan_unifier
cob_linear_nav: now hopefully really found the bug; ros::Time::now()-1 = verybig
cob_linear_nav: change order of nan and high velocity check to catch them with correct error msg
cob_linear_nav: initialize some more variables, check if received goal has invalid Quaternion