D3 partition visualization
Merge branch 'master' into feature/d3-partition

Conflicts:
	opcache.php
D3 Partition visualization
rename function to avoid conflict, and set empty dirs to prevent possible asort() error
Tidying indentation
Tidying and improving usability of partition visualisation
Merge pull request #1 from jamesrwhite/feature/d3-partition

Feature/d3 partition
Merge pull request #1 from cviebrock/feature/d3-partition

Feature/d3 partition