Helpers, like FORM, are lists
revised reference to the views chapter for more ways of modifying FORM helpers
Make www-data dir consistent with the scripts

/home/www-data is the directory used in Linux installation scripts like setup-web2py-ubuntu.sh. Let's make it consistent.
scheduler corrections
Normalize line endings. From CRLF to LF
remove outdated english files
starting portuguese translation of last edition
Update language info
Update TOC texts
update preface text
Merge pull request #33 from gokceneraslan/patch-1

Make www-data dir consistent with the scripts
Merge pull request #34 from Petrosite/master

Starting portuguese translation of last edition
Merge pull request #32 from timrichardson/master

Add a few lines explaining the helpers, like FORM, are lists
documentation for new scheduler patches, thanks Niphlod
fixed links to images and added image