Add an on-device dashboard, project Gammarus

...and update everything. In just one commit because I'm super-green and
everything has been merged already anyway.

Change-Id: I7dbe85e66855d2758183db36094a0b7f8b1e351e
diff --git a/package/gammarus/Config.in b/package/gammarus/Config.in
new file mode 100644
index 0000000..1e866af
--- /dev/null
+++ b/package/gammarus/Config.in
@@ -0,0 +1,6 @@
+config BR2_PACKAGE_GAMMARUS
+	bool "gammarus"
+	select BR2_PACKAGE_SOCAT
+	select BR2_PACKAGE_NGHTTP2_APPS
+	help
+	  Web dashboard for CzechLight devices