Release 2.5.0

• Update translations from zanata (de, ja, uk updated)
• Add a property menu for the highest priority dictonary
• Add a missing _update_preedit()
• When lookup is enabled by tab but the lookup table is empty,
  the first cancel should clear the input
• Reset self.is_lookup_table_enabled_by_tab and
  self.is_lookup_table_enabled_by_min_char_complete when input is cleared
• Get suggestions from hunspell dictionaries only for input
  which does not contain spaces
• Don’t reinitialize the dictionaries if only the order of the dictionaries has changed
• Add key bindings to change the priority of dictionaries
• Speech recognition input using Google speech-to-text
• Change the default input methods for as_IN, kn_IN, and ta_IN
• Make ur-phonetic the default input method for ur_IN and add en_GB dictionary to default
• Update emoji annotations from CLDR