fix demo panes to prevent selects' hiding
Merge pull request #24 from yandex-ui/demo-page-small-fix

Fix demo page to prevent selects' hiding
Fixes for #22. Polyfills for trim() and indexOf()
v0.1.17
v0.1.18
add upload's icon
Fix #26
Merge pull request #25 from yandex-ui/add-icon-upload

Add upload's icon
Add attention icon
Merge pull request #27 from Lapple/warning-icon

Add attention icon
v0.1.19
Merge remote-tracking branch 'yandex/master'