Update tools
Fixed radius & variable error in tools

1. Add new task v
Update tools
Remove panel body border to header & footer
Simplify modifier name

+ table
+ tools
Fixed part of iss-877

And more:

1. do not use short name in uncommon component.
2. add more modifiers

Not fixed:

1. separator
Add width & height in tools
Finish module rule(separator)
Adjust table color
Add comment in module table
Fixed iss-877 v 0.17.0
Fixed bug on rounding
Use vertical padding expand module height

1. increase default $b-vgap
2. remove size modifier form module which used for only control font size
3. size modifiers not influence font-size any more
4. add more comments