added SOLR based autosuggestion
Merge remote-tracking branch 'upstream/devel' into devel

Conflicts:
	app/code/community/JeroenVermeulen/Solarium/Model/Engine.php
finalising autosuggest
grouped facets for showing number of products instead of number of hits
Refactored and moved some things.
Added missing 'autocomplete.js' from @toonvd
Removed "jeroenvermeulen" from frontend URLs.
Added option to limit autocomplete suggestions.