Refactored default Caleydo header links and made them configurable
Refactored default Caleydo header links and made them configurable

Caleydo/ordino,datavisyn/tdp_core,Caleydo/ordino,Caleydo/ordino,Caleydo/ordino,datavisyn/tdp_core,datavisyn/tdp_core,datavisyn/tdp_core