updated search vocabulary to be in the main activity rather than creating a new activity, removed fragment for search bar, updated search bar's height to match_parent, added actionlayout in menu_search, added filter() in VocabularyAdapter.java, added setters and toString() in Settings.java, removed JSON property of Vocabulary.java, fixed AboutFragment.java findViewById(), updated SettingsFragment.java, explicitly put caller of dismiss() in UpdateFragment.java