SearchView is renamed to LibraryContainerView

#### Purpose

For easier merge process it was decided rename `SearchView` to `LibraryContainerView` on `master` branch. This changes will be used in `Sitrus` branch.

#### Additional references

This PR is connected with this https://github.com/Benglin/Dynamo/pull/38.

#### Reviewers

@Benglin, please take a look as soon as possible. Thank you.