[lib] HTML Purifier up to 4.6.0
Merge pull request #95 from XoopsX/htmlpurifier4.6

[lib] HTML Purifier up to 4.6.0
#98 Fix Bug: missing "&" for Legacy_iTagDelegate::setTags() argument "$result"
Merge branch 'master' into CorePack
[CorePack] installer fix enbug @f3e274