Info about running regular tasks with cron

What commands to use, and good approach to testing
FIX: Longer dropzone title wraps to two lines

This is regression, because I've already fixed this in pull #1176, but
my fixes overwritten with recent changes.
FIX Only block root vendor folder

Use RewriteRule instead to take in account any subfolder via RewriteBase. Deny ss-cache and composer via RewriteRule too.
FIX Allow Director::$rules like //$Action

In 3.0, doing $Action => SomeController would redirect all action requests
to that default controller. In 3.1, you need to do //$Action => SomeController
but it didnt work - those initial slashes broke matching
Use the correct variable as the key into $record

It was using $fieldName, which is the CSV field name, not the database
field name. This prevents duplicate detection from working. It now
properly uses $SQL_fieldName
Merge pull request #1821 from oddnoc/csvbulkloader-findexisting-2.4

Use the correct variable as the key into $record
composer/installer dep workaround

Moved to end of requirements, to work around a bug in composer - see https://github.com/composer/composer/issues/1147. This caused the dependencies to be installed in the wrong folder because the custom 'silverstripe-module' instructions hadn't been loaded at the time the core modules were installed via composer.
FIX: Falling back to summaryFields() should skip non database fields.
Fix orphaned records when running update
When DataObject::update() is run with relation fields and the relationship
is new the relationship ID was not set on the DataObject. This patch fixes
this. Fixes issue 6195 in open.silverstripe.org.
Have 'Configuration Reference' link point to uploadfield page

Oops.
BUG Fixes issue with '+' characters in url.
Partial code formatting / phpdoc cleanup of Versioned
Fix typo in templates documentation
Fixing array to string conversion in dev/build for PHP 5.4
Bugfix: Added private static $defaultFormat in order to choose default via config. Permit WCAG validation of XHTML.
Fix file link recognition in HtmlEditorField.js

The new file_link format ([file_link,id=\d+]) uses a comma which was not reflected in the regex.
Recursive folder creation in Upload
FIX Avoid unnecessary user_error when no controller set for friendly errors in Debug class
Updating docs to use SiteTree for aggregates with LastEdited example

Using SiteTree is faster, because it doesn't do any joining of Page
to get the aggregate, even though the LastEdited field is only on
SiteTree in the case of Page.
Merge pull request #1944 from patbolo/bugfix/debug-no-controller

FIX Avoid unnecessary user_error when no controller set for friendly err...