Update tagger.js

Added ajax option to load suggestions
Update tagger.css

Added class for ajax search icon
Load suggestions via ajax webservice

Adds functionality to act as a multiselection autocompleter, that loads
the suggestions via ajax from a webservice.
Cleanup

fixed the style issues @benbasson mentioned and moved the ajax part to a
separate method.
Update tagger.js

corrected typo
stylesheet

Link to original example stylesheet
Keeping sort order of options

One last change:
If options are converted to JS, currently the suggestions are sorted by
id.
By writing the native option position to tag.sort the sortedOutput
parameter can be used to preserve the original sorting.
Do not add enter character to the filter string

THis addresses issue #1, but I'm not sure if it's a real fix or just a
workaround...
Using index in each() instead of counter
Reverted Change from fb823e8

... resulted in other problems, see issue #1
Fix for issue #1 (enter in suggestion list)

Preventing the default behavior for keydown event on enter key to make
sure the keypressed event for that key does not fire.
Moved ajax example into regular examples and made sure all source was 2-space tab
Merge branch 'strein-ajax'