proper UMDific invocation of TfClient in ImProxy
Fixed examples to support updated improxy
changed basic_controls to use location.hostname instead of localhost.
added touch rotation support to orbit controls
added working drag tracking for touch events, touche scale support to orbit ctrl
tfclient.js: added support 'rate' param from latest tf2_web_republisher
bugfix to tfclient.js: always remove leading slash from tf frames
removed obsolete params from basic_controls.launch
fixed pr2_marker_control example to work with everything.launch
Merge pull request #11 from dgossow/groovy-devel

Fixes issues with tf and pr2_marker_control.