changed install to create-project, added hint
Refinement in comments

I checked this using XDebug, and the function actually returns null (which is something different than false). I assume it is the comment that should be changed, and not the code itself...
Merge pull request #1598 from docsolver/patch-1

Small correction in DB\Query comments
Fixes #1076
Merge pull request #1496 from schmunk42/docs-getting-started

changed install to create-project, added hint
Fixed composer about yii2-dev installation
Added support for tagName and encodeLabel parameters in ButtonDropdown
Merge pull request #1601 from omnilight/improving-buttondropdown

Added support for tagName and encodeLabel parameters in ButtonDropdown
Fixed changelog.
Fixes #1499: Added `ActionColumn::controller` property to support customizing the controller for handling GridView actions
Merge remote-tracking branch 'upstream/master'