[css] set .alert opacity to 0
[Alert] restore opacity:1
update Selector.js submodule
adaptation to the new version of Selector.js
[css] changes in navbar rules
[Selectable] added option to updating handler on select
[css] changes in .transition mixin
[css] changes in navbar
[css] small visual changes in default buttons
[css] less important fixes
[Selectable] fixed bright option
increased version to 0.4.1 `Tequila Sunrise`
Merge pull request #36 from tsapeta/0.4.x

merge 0.4.x (0.4.1 `Tequila Sunrise`)