Release of libxml2-2.8.0

- Makefile.am: don't package .git
- configure.in : update to new release
- doc/xml.html: added the new release
- doc/* testapi.c: regenerated
diff --git a/doc/APIchunk26.html b/doc/APIchunk26.html
index a1bca3c..646acdb 100644
--- a/doc/APIchunk26.html
+++ b/doc/APIchunk26.html
@@ -93,6 +93,7 @@
 <a href="html/libxml-xmlunicode.html#xmlUCSIsCat">xmlUCSIsCat</a><br />
 </dd><dt>unless</dt><dd><a href="html/libxml-HTMLparser.html#htmlSAXParseDoc">htmlSAXParseDoc</a><br />
 <a href="html/libxml-HTMLparser.html#htmlSAXParseFile">htmlSAXParseFile</a><br />
+<a href="html/libxml-dict.html#xmlDictCleanup">xmlDictCleanup</a><br />
 <a href="html/libxml-xmlregexp.html#xmlExpNewOr">xmlExpNewOr</a><br />
 <a href="html/libxml-xmlregexp.html#xmlExpNewRange">xmlExpNewRange</a><br />
 <a href="html/libxml-xmlregexp.html#xmlExpNewSeq">xmlExpNewSeq</a><br />
@@ -104,6 +105,7 @@
 <a href="html/libxml-xpathInternals.html#xmlXPathNextNamespace">xmlXPathNextNamespace</a><br />
 </dd><dt>unliked</dt><dd><a href="html/libxml-tree.html#xmlDOMWrapAdoptNode">xmlDOMWrapAdoptNode</a><br />
 </dd><dt>unlink</dt><dd><a href="html/libxml-tree.html#xmlFreeNode">xmlFreeNode</a><br />
+<a href="html/libxml-tree.html#xmlUnlinkNode">xmlUnlinkNode</a><br />
 </dd><dt>unlinked</dt><dd><a href="html/libxml-tree.html#xmlAddNextSibling">xmlAddNextSibling</a><br />
 <a href="html/libxml-tree.html#xmlAddPrevSibling">xmlAddPrevSibling</a><br />
 <a href="html/libxml-tree.html#xmlAddSibling">xmlAddSibling</a><br />