Did you even read the instructions?
NoLagg have GUI too.
I don't think this is possible, but most of plugins have built in Multi world features, you can disable plugins in certain world.
As of Bungee...
PwnFilter (super awesome regex based filter) and NoCheatplus(Built in anti spam) of course.
Can you list what plugins you have on your server?
All plugins is working fine on my server, even Towny.
I used a Costum class for my WorldEdit NMS and it worked perfectly.
You should Submit a Ticket ;)
Oh. I get it.
There is a plugins that do this,
/pextras upgrade [name] [Required Rank] [New Rank] - Upgrade a player to a new rank, but only if...
Personally I love Pex and It is also a good start for newbie to begin with Permissions because of it's simple structures.
Do you mean an Auto Installer ?
There you go!
Separate names with a comma.