[views] add a title for esearch view

i18n/en.po

 msgid ""
 msgstr ""
+"PO-Revision-Date: YEAR-MO-DA HO:MI +ZONE\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
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 "Generated-By: pygettext.py 1.5\n"
 "Plural-Forms: nplurals=2; plural=(n > 1);\n"
@@ -3,7 +4,6 @@
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Generated-By: pygettext.py 1.5\n"
 "Plural-Forms: nplurals=2; plural=(n > 1);\n"
-"PO-Revision-Date: YEAR-MO-DA HO:MI +ZONE\n"
 
@@ -9,1 +9,3 @@
 
+msgid "Search"
+msgstr ""

i18n/es.po

 msgid ""
 msgstr ""
+"PO-Revision-Date: YEAR-MO-DA HO:MI +ZONE\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Generated-By: pygettext.py 1.5\n"
 "Plural-Forms: nplurals=2; plural=(n > 1);\n"
@@ -3,7 +4,6 @@
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Generated-By: pygettext.py 1.5\n"
 "Plural-Forms: nplurals=2; plural=(n > 1);\n"
-"PO-Revision-Date: YEAR-MO-DA HO:MI +ZONE\n"
 
@@ -9,1 +9,3 @@
 
+msgid "Search"
+msgstr ""

i18n/fr.po

 msgid ""
 msgstr ""
+"PO-Revision-Date: YEAR-MO-DA HO:MI +ZONE\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Generated-By: pygettext.py 1.5\n"
 "Plural-Forms: nplurals=2; plural=(n > 1);\n"
@@ -3,7 +4,6 @@
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Generated-By: pygettext.py 1.5\n"
 "Plural-Forms: nplurals=2; plural=(n > 1);\n"
-"PO-Revision-Date: YEAR-MO-DA HO:MI +ZONE\n"
 
@@ -9,1 +9,3 @@
 
+msgid "Search"
+msgstr "Recherche"

views.py

@@ -25,6 +25,7 @@
 from logilab.mtconverter import xml_escape
 
 import cwtags.tag as t
+from cubicweb import _
 from cubicweb.view import StartupView
 
 from cubes.elasticsearch.es import indexable_types, get_connection
@@ -84,6 +85,7 @@
     previous_link = u' < '
     next_link = u' > '
     middle_link = u" · " * 3
+    title = _('Search')
 
     def render_search_comp(self):
         search_comp = self._cw.vreg['components'].select_or_none('search-comp',
@@ -138,7 +140,7 @@
         # TODO if no ES configuration, redirect or display warning
         self.render_search_comp()
         query_string = self._cw.form.get('q', self._cw.form.get('search', ''))
-        self.w(u'<h1>%s</h1>' % self._cw._('Recherche'))
+        self.w(u'<h1>%s</h1>' % self._cw._(self.title))
         response = self.do_search(query_string)
         if response.hits.total:
             self.w(u'<h2>Resultats pour : <em>%s</em></h2>' %