add a note to the dev guide about this restriction
add a note to the dev guide about this restriction

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