Merge pull request #60 from RobotWebTools/phantomjs_dependency

add phantomjs install
Partial implementation for #35. Send 'latch' parameter to publish and advetise commands
Update UrdfBox.js

fix type of box
Merge pull request #65 from Vegekou/patch-1

Update UrdfBox.js
Merge pull request #64 from adamantivm/latched-publisher

Adds latch parameter to Topics for publishing
Merge branch 'devel' of https://github.com/RobotWebTools/roslibjs into unification
Should fix xml/XPath var issue and Canvas one too