Remove default on nfs.php

Remove default
Merge branch '2.30'

Conflicts:
	plugin/nfs.php
Fix latest commit
Fix rrd files with quotes in name for canvas
Merge branch '2.30'

Conflicts:
	type/Base.class.php
Merge branch '2.30'
Fix
Merge branch '2.30'
Merge branch '2.40'
Merge branch 'master' of https://github.com/Poil/CGraphz
clean
Update READMe