rename ravenlog to krowlog

There is a database named RavenDB.
KrowLog starts with a K, which is a) distinctive and b) has an association to KDE.

src/i18n.py

@@ -0,0 +1,27 @@
+import gettext
+import os
+from pathlib import Path
+
+from src.pluginregistry import PluginRegistry
+from src.settings.settingsstore import SettingsStore
+
+settings = SettingsStore.load()
+locale = os.environ['LANG'] if 'LANG' in os.environ and os.environ['LANG'] else "en"
+locale = settings.session.get('general', 'lang', fallback=locale)
+
+_ = False
+src_dir = Path(__file__).resolve().parent.parent
+try:
+    translation = gettext.translation('messages', localedir=src_dir / 'locales', languages=[locale])
+    if translation:
+        translation.install()
+        _ = translation.gettext
+        ngettext = translation.ngettext
+        PluginRegistry.execute("set_locale", locale)
+except FileNotFoundError:
+    pass
+if not _:
+    _ = gettext.gettext
+    ngettext = gettext.ngettext
+    PluginRegistry.execute("set_locale", '')
+    print('No translation found')