fix indentation
fix view error state rendering
ns.Update.handleError метод
Add comments
fix comment
Новый API ns.page.go
Новый API ns.page.go — см. замечания к пулреквесту
tests

Added yate file for tests
Do not use fake ns.tmpl (but it is still wrapped for checking arguments
passed).
First test for ns-view-error-content mode
make yate
remove *.yate.js file
fix .gitignore
fix jshint warnings
2 more tests for error handling
add generated yate.js file so that tests can be run at travis
fix code style issue
Remove test.yate.js from repository

Added test for yate templates been built.
Build yate on publish (for Travis to build yate templates before
running tests).
Add test/tests.yate.js to .gitignore
Merge pull request #186 from yandex-ui/errors.handling

ns.update и ns.view: отображение ошибок