Merge pull request #1570 from sylus/7.x-2.x

Updates for 2.x branch.
Merge pull request #1572 from sylus/7.x-2.x

Updates for 2.x branch.
Update WetKit Admin for Issue #2381917 by gdaw: Custom (Code) string in panels layouts should be multilingual
Update WetKit Breadcrumbs for Issue #2382087 by gdaw: Breadcrumb Settings string should be translatable
Update WetKit Bean for Issue #2382051 by gdaw: Make the placeholder_text in bean.search translatable
Update WetKit Bean for Issue #2381947 by gdaw: Translate the Override Settings string in wetkit bean
Update WetKit Bootstrap for Issue #2382013 by joseph.olstad: Maintenance page use local jquery instead of online
Sync up changelog.