Add Missing Variable

variable $firstUrl is undefined.
Put back 'page' => 'search'

page => search parameters is usefull .
without page => search : go to subdomain mainpage
with page => search : go to subdomain searchpage

Like someregion.domain.tld
and someregion.domain.tld/search
some changes to #1184
added one more line to avoid osc_search_url = osc_base_url
oops!
some more improvements
some improvements
some urls missing
Merge pull request #1191 from conejoninja/pr1184

Pr1184