Fixed #1203772: added admin option to show/hide counts in suggestions since they might be inexact in some cases

Syncing 6.x branch to 7.x; removing warnings, adding advanced options (show/dont show spellcheck + additional word suggestions), etc

Removed a few PHP warnings.

#1078246 by Dale Baldwin: Added Change width so that the auto complete defaults to the size of the search input boxes.

#951584 by janusman | broncomania: Fixed Notice: Undefined index  in apachesolr_autocomplete_form_search_theme_form_alter().

#999772 by janusman | rhymeswithcamera: Fixed Selecting a number from autocomplete list returns single digit.

[#939054] by janusman, mariomaric: warning: strtr() [function.strtr]: The second argument is not an array.

Switched to unix line endings.

Also added spanish translation and .pot file.