new FT test_theme for theme switcher functionality; theme-switcher content added to home.html, several dashboard views & urls, all appropriate ITs & UTs; lyric user model saves theme (migrations run); django-compressor and django-libsass libraries added to dependencies

src/functional_tests/test_theme.py

@@ -0,0 +1,10 @@
+from selenium.webdriver.common.by import By
+
+from .base import FunctionalTest
+
+
+class SiteThemeTest(FunctionalTest):
+    def test_page_renders_with_earthman_theme(self):
+        self.browser.get(self.live_server_url)
+        body = self.browser.find_element(By.TAG_NAME, "body")
+        self.assertIn("theme-default", body.get_attribute("class"))