Note about plugin files outside of their scope

Adding a note about plugins storing files or folders outside of their given scope in app/plugins/plugin-name
Merge pull request #39 from benjibee/master

Note about plugin files outside of their scope
Minor fixes to README for plugins note
Major fixes to README under Folder Structure

This is a big deal.
Merge pull request #40 from QWp6t/patch-1

Major fixes to README under Folder Structure
Add web/ folder
Add absolute path to autoload.php and application.php files
Update gitignore
Better webroot dir variable naming
Fix path ascii in README
gitignore fixes
Remove section on blocking files
Add note to CHANGELOG
Merge pull request #32 from roots/web-folder

Better webroot structure (web/)
Update to Capistrano 3.1.0
Merge pull request #44 from roots/capistrano-3.1.0

Update to Capistrano 3.1.0
1.1.0 release
fix uploads linked dir
Merge pull request #45 from francescolaffi/fix-uploads-location

fix uploads linked dir