switch to angular components
remove testing stuff

to much boilerplate in angular-dart tests to write sane tests.
fix sidebar overflow
reduce sidebar elements
export menu-item
menu-item broadcasts click event
menu-item description
remove code sections
preselect for dropdowns
each component in own directory. resolves #1
add multi-drop down component. resolves #2
fix ready hack. resolve #7
refactor dropdowns
add divider and title to drop downs. #4
Merge pull request #8 from recipr/angular

Switch to angular