Merge pull request #615 from Morphan1/master

Add new stuff v2.0
Fix ConstantTags
Merge.
merge
Add getAttributes() to ScriptEntry.
Switch InventoryContents default "0" to "i@air"

This occasionally threw errors, so might as well.
Add dPlugin, some more server tags

This adds a dPlugin dObject, which is a way to get (basic) information
from external plugins.