fix undef error for l param
add solr_wc_url and solr_wc_key params
set number of stories to return in html to 100; set l param to '' to avoid undef error; display $@ for MediaWords::Solr::count_words call
fix url typo
fix typo
change to use slower but more correct Encode::_utf8_on + regex w to tokenize
Merge branch 'master' of github.com:berkmancenter/mediacloud