[css] changes in segmentedcontrol and alert classes
[css] set navbar anchors box sizing
[css] fixed alert displaying & position in Firefox
updated Swordfish
[Core] add SegmentedControl prototype
[Notification] added dark option
[css] rules for .dark Notification
[Notification] improved code readability
[Scroller] added bright option + reorder properties in defaults
[Selectable] insert & remove from DOM on Scroller init
[css] removed shadow in dark-parent button and input outset shadow
[css] reduced button border-radius
[css] set buttons z-index + changes in SegmentedControls border radius
[Alert] add & remove "active" class from handler
[PopOver] add & remove "active" class from handler
[Core] improved SegmentedControl prototype
increased version to 0.3.1 `Dotted Mushroom`
Merge pull request #27 from tsapeta/0.3.x

merge 0.3.x (0.3.1 `Dotted Mushroom`)