Add a component loader that finds components by searching for elements with the
"data-icinga-component" attribute and loads the corresponding JavaScript file
from the backend to render the component.
refs #4456
Added a date and time form-element which are implemented based on the
new "date" and "time" input-types introduced with html5. If those are not
available two bootstrap javascript-modules will be enabled.
refs #4355
Marius Hein
Matthias Jentsch
Eric Lippmann
Johannes Meyer