Fixes workflow-graph directive to handle FORK, JOIN & CONDITION nodes + adds back zoom behavior
Fixes workflow-graph directive to handle FORK, JOIN & CONDITION nodes + adds back zoom behavior

anthcp/cdap,chtyim/cdap,caskdata/cdap,caskdata/cdap,chtyim/cdap,chtyim/cdap,caskdata/cdap,mpouttuclarke/cdap,hsaputra/cdap,caskdata/cdap,anthcp/cdap,chtyim/cdap,caskdata/cdap,anthcp/cdap,hsaputra/cdap,chtyim/cdap,mpouttuclarke/cdap,mpouttuclarke/cdap,mpouttuclarke/cdap,anthcp/cdap,hsaputra/cdap,hsaputra/cdap,anthcp/cdap,caskdata/cdap,hsaputra/cdap,mpouttuclarke/cdap,chtyim/cdap