Extract histories list to partial erb.
Enable transit to show page, when resource node is clicked.
Add show resource feature.
bugfix: resource value history don't saved.
enable to have value at all resources.
modify class name to bx-content-box from bx-category-box.
add tree of children resources to show resources page.
add marker to resource tree node.
ajudst resource tree style.
bugfix find by id:0 when create resource.
show nodata information when children resources in show page.
modify to enable break line at resource value.
widen text area of resource category description.
add update resource feature.
modify: branch can't update by same code.
add: delete resource feature.