ID#180: integrated changes by dingsda.
ID#105: first implementation of the iterator fallback template functionality.
ID#127: added multi file upload capability.
Merge remote-tracking branch 'origin/master'

Conflicts:
	tools/form/taglib/FileUploadTag.php
	tools/html/taglib/HtmlIteratorFallbackTag.php
	tools/html/taglib/HtmlIteratorTag.php
Merge branch 'master' of https://github.com/AdventurePHP/code
Corrected inheritance structure.
Merge branch 'release-2.1'