Re #20: Add button element to each .bs-component
Re #20: add separate style.css frile for web-ui-components example
Format .source-button
Re #20: Add modal to ui elements
Re #20: make uw ui components on of the main pages of the ui toolkit site
Re #20: move css to css-components.less
Re #20: add uw-ui-toolkit-site.less file to host all custom css for the uw ui toolkit site itself
Re #20: change ui components index.html to .md
Re #20: change ui components index.html to .md
Re #20: clean up ui components page
Re #20: remove old ui components page from examples section
Merge branch 'source_button_20' into develop