Make JDBC install guide more user-friendly
Make JDBC install guide more user-friendly

electrum/presto,11xor6/presto,Praveen2112/presto,dain/presto,smartnews/presto,erichwang/presto,ebyhr/presto,electrum/presto,ebyhr/presto,11xor6/presto,electrum/presto,losipiuk/presto,electrum/presto,erichwang/presto,ebyhr/presto,smartnews/presto,11xor6/presto,Praveen2112/presto,dain/presto,dain/presto,smartnews/presto,losipiuk/presto,dain/presto,11xor6/presto,11xor6/presto,Praveen2112/presto,losipiuk/presto,smartnews/presto,erichwang/presto,erichwang/presto,electrum/presto,smartnews/presto,ebyhr/presto,losipiuk/presto,losipiuk/presto,Praveen2112/presto,Praveen2112/presto,ebyhr/presto,dain/presto,erichwang/presto