finish separation between plugins and GUIs

plugins/trezor/__init__.py

@@ -0,0 +1,9 @@
+from electrum.i18n import _
+
+fullname = 'Trezor Wallet'
+description = _('Provides support for Trezor hardware wallet')
+requires = [('trezorlib','github.com/trezor/python-trezor')]
+requires_wallet_type = ['trezor']
+registers_wallet_type = ('hardware', 'trezor', _("Trezor wallet"))
+available_for = ['qt', 'cmdline']
+