v0.4.6

• update livereload package
• fix changes after next calling of 'init' in ScrollBar
• add stb self-documentation info
• update commands description
• add method markItem to list and grid
• correct list and grid colors
• add option to mark list and grid items
• improve checks for grid normalizations
• emit new event "move:view" in list
• correct comments and jsdocs
• add new component ScrollBar
• add simple observable stack implementation