Rename nextsearch command to search-next

qutebrowser/commands/managers.py

@@ -116,7 +116,7 @@ class SearchManager(QObject):
         self._search(text, rev=True)
 
     @cmdutils.register(instance='searchmanager', hide=True)
-    def nextsearch(self, count=1):
+    def search_next(self, count=1):
         """Continue the search to the ([count]th) next term.
 
         Args:

qutebrowser/config/configdata.py

@@ -618,7 +618,7 @@ DATA = OrderedDict([
         ('u', 'undo'),
         ('gg', 'scroll-perc-y 0'),
         ('G', 'scroll-perc-y'),
-        ('n', 'nextsearch'),
+        ('n', 'search-next'),
         ('i', 'enter-mode insert'),
         ('yy', 'yank'),
         ('yY', 'yank sel'),