Merge pull request #34 from tsapeta/0.4.x

merge 0.4.x into 0.5.x
Merge pull request #39 from tsapeta/0.4.x

merge 0.4.x into 0.5.x
[Editable] added prototype of new component
[Core] added new component to Core
[Expandable] fixed var name
[css] add rules for Editable component
update Selector.js submodule
[Expandable] added trigger option + some fixes
[Editable] added option keyboardNavigation + some improvements
[Core] execute Editable() only on table elements
[Editable] new feature: iterate on rows in table
[Editable] parse table cells to json object
[Editable] added row function (it returns data from the specified row)
[Editable] new functions: hasHeaders, headers, valuesAtRow
[Editable] fixed issue in Firefox by adding inner-wrapper
[Editable] added option to create html-table from json object + some improvements
[css] remove padding in .editable active cells
[css] added .no-padding quick-class
update Selector.js submodule
removed Selector submodule... but it is still required