Fixes #254 add Laravel helper functions to Twig environment
Convert DataGrid form widget in to Grid widget (no longer exclusive to forms)
Remove native scroll from handsontable
Minor
Fixed unit tests
Merge branch 'develop' of github.com:octobercms/october into develop
Fix jsonable settingsmodel saving
Merge pull request #440 from Flynsarmy/jsonableSettingsModels

Fix jsonable settingsmodel saving
Merge pull request #441 from octobercms/develop

Develop
Align UserPreferencesModel with SettingsModel
Buttons inside a popup support new `data-popup-load-indicator` attribute.
Other minor improvements
Wrapper for set data
Simplify grid widget data sources
Add pattern to number field to only allow for numbers
Add change monitoring to Grid widget
Fixes #444
Merge pull request #443 from jbh-/hotfix/NumberFieldValidation

Add pattern to number field to only allow for numbers
Adds the ability to specify a custom array name for a form field
Allow dropdown to be pulled right, along with caret
Added the theme selector