Update

- Added Yandex Predictor for search queries
- Category "diplomas" has been restored
- Some bug fixes
Revert "Update"

This reverts commit 640e2c00f15d90d8acf66d0dd83adfb6b83d4665.
Revert "Revert "Update""

This reverts commit 6620921a9a5c7f13b6af6254f5222af6a443bf6b.