Correção para tocar tipo de dado Audio
Updated history
Merge branch 'master' into issue_14

Conflicts:
	CHANGES.rst
	src/brasil/gov/tiles/tiles/audiogallery.py
	src/brasil/gov/tiles/tiles/templates/audiogallery.pt
Merge pull request #17 from plonegovbr/issue_14

Issue 14 - closes #14