add image to short paragraph
fix text for short post: lead instead of first paragrah
change the portuguese translation to the phrase Lead
change tests to be adequate to automatic_abstract
Use old version o rubyzip
Merge branch 'master' of git://github.com/CIRANDAS/noosfero-ecosol into cirandas
Merge branch 'automatic_abstract' of https://github.com/dtygel/noosfero-ecosol into cirandas