add var in for
Merge branch 'master' of github.com:JackonYang/snipmate
remove tab
remove levelhegiht
;
layout no global
remove ysf
remove xsf
abstract pic scale
remove scale in global
add comment for hosts
add comment for hosts links
remove ovs flag
remove repeat declare
abstract draw host
abstract all functions of draw host
abstract all functions of draw nodes
abstract all functions of draw nodes and lines
simplify
simplify isBlock
change isBlock to local variable