RD-2069 Resolve Bower dependencies
RD-2069 Don't run tests continuously in Firefox
RD-2069 Update Tree component example usage for NestedSortable
RD-2069 Update tree data structure (property text renamed tot title) + added implementation for all available callbacks
RD-2069 Document Tree component callbacks
RD-2069 Added + fixed tests for Tree component
RD-2069 New build