Fix for missing Id's on FileService.GetStylesheets() call.  This is needed as sytlesheets can only be loaded in the editor via their Id so listing stylesheets needs to list there Id as well for custom plugins to render the build in editor.
Removed dependence in Stylesheet repository on Entity Service.
Fix sql errors in prev change.
Refactoring umbraco.cms.businesslogic.language.Item class
Refactoring umbraco.cms.businesslogic.language.Item class - Fix Update and Delete calls
Refactored Umbraco.Web.UI.Controls.InsertMacroSplitButton

- CreateChildControls()
- DoesMacroHaveParameters (Int32)
Refactoring umbraco.cms.businesslogic.language.Language class
Merge pull request #188 from stocksr/6.2.0-petapoco-refactor-umbraco.cms.businesslogic.language.Language

Refactoring umbraco.cms.businesslogic.language.Language class
Merge pull request #185 from saciervo/6.2.0

Use PetaPoco instead of SqlHelper
Merge pull request #182 from stocksr/6.2.0-petapoco-refactor

6.2.0 petapoco refactor - umbraco.cms.businesslogic.language.Item
Merge pull request #176 from pynej/add-stylesheet-ids

Fix for missing Id's on FileService.GetStylesheets() call.  This is need...
Fix StylesheetRepositoryTest which broke as a result of PR #176
Fixing the broken stylesheetrepository test and ignoring the StylesheetRepository in the RepositoryResolverTest for the time being as it takes two different UOWs as opposed to other repositories.
Groups jQuery dependencies using the ClientDependency Group property
Rearranging the create schema extensions methods to provide a bit more flexibility for external usage.
Group jQueryTree script files
Revert "Group jQueryTree script files"

This reverts commit baed01518cbc2e7fa4791a0d2aaccfee348882a7.
Merge remote-tracking branch 'core/6.2.0' into 6.2.0