[modules/datetime] Rename datetime to date-time

Finally fix the datetime import errors by renaming the bumblebee
datetime module (*bad* idea from the start).

Apologies to everyone for whom it now breaks.

bumblebee/modules/datetime.py

@@ -1,44 +0,0 @@
-# pylint: disable=C0111,R0903
-
-"""Displays the current date and time.
-
-Parameters:
-    * datetime.format: strftime()-compatible formatting string
-    * date.format    : alias for datetime.format
-    * time.format    : alias for datetime.format
-    * datetime.locale: locale to use rather than the system default
-    * date.locale    : alias for datetime.locale
-    * time.locale    : alias for datetime.locale
-"""
-
-from __future__ import absolute_import
-import datetime
-import locale
-import bumblebee.engine
-
-ALIASES = ["date", "time"]
-
-def default_format(module):
-    default = "%x %X"
-    if module == "date":
-        default = "%x"
-    if module == "time":
-        default = "%X"
-    return default
-
-class Module(bumblebee.engine.Module):
-    def __init__(self, engine, config):
-        super(Module, self).__init__(engine, config,
-            bumblebee.output.Widget(full_text=self.get_time))
-        self._fmt = self.parameter("format", default_format(self.name))
-        lcl = self.parameter("locale", ".".join(locale.getdefaultlocale()))
-        locale.setlocale(locale.LC_TIME, lcl.split("."))
-
-    def get_time(self, widget):
-        enc = locale.getpreferredencoding()
-        retval = datetime.datetime.now().strftime(self._fmt)
-        if hasattr(retval, "decode"):
-            return retval.decode(enc)
-        return retval
-
-# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4