added a reverse_geocode function to tools
minor cosmetic
Merge branch 'master' of git://github.com/web2py/web2py
added reverse_geocode to tools __all__
removed unneeded sensor=true/false
Allows you to set SQLFORM.default_formstyle and set the default formstyle for all SQLFORMs
revert previous change due to the global implications
Merge pull request #479 from leonelcamara/master

reverse_geocode