Bump minor version number to 4.4.0.

Signed-off-by: Edward Z. Yang <ezyang@mit.edu>

library/HTMLPurifier/ConfigSchema/schema/HTML.AllowedComments.txt

@@ -1,6 +1,6 @@
 HTML.AllowedComments
 TYPE: lookup
-VERSION: 4.3.1
+VERSION: 4.4.0
 DEFAULT: array()
 --DESCRIPTION--
 A whitelist which indicates what explicit comment bodies should be

library/HTMLPurifier/ConfigSchema/schema/HTML.AllowedCommentsRegexp.txt

@@ -1,6 +1,6 @@
 HTML.AllowedCommentsRegexp
 TYPE: string/null
-VERSION: 4.3.1
+VERSION: 4.4.0
 DEFAULT: NULL
 --DESCRIPTION--
 A regexp, which if it matches the body of a comment, indicates that

library/HTMLPurifier/ConfigSchema/schema/HTML.SafeIframe.txt

@@ -1,6 +1,6 @@
 HTML.SafeIframe
 TYPE: bool
-VERSION: 4.3.1
+VERSION: 4.4.0
 DEFAULT: false
 --DESCRIPTION--
 <p>

library/HTMLPurifier/ConfigSchema/schema/HTML.TargetBlank.txt

@@ -1,6 +1,6 @@
 HTML.TargetBlank
 TYPE: bool
-VERSION: 4.3.1
+VERSION: 4.4.0
 DEFAULT: FALSE
 --DESCRIPTION--
 If enabled, <code>target=blank</code> attributes are added to all outgoing links.

library/HTMLPurifier/ConfigSchema/schema/URI.SafeIframeRegexp.txt

@@ -1,6 +1,6 @@
 URI.SafeIframeRegexp
 TYPE: string/null
-VERSION: 4.3.1
+VERSION: 4.4.0
 DEFAULT: NULL
 --DESCRIPTION--
 <p>