package manager list in repo + cleanup

gps/.package

@@ -1,6 +1,10 @@
 {
 	title = 'GPS',
 	repository = 'kepler155c/opus-apps/{{OPUS_BRANCH}}/gps',
-	description = [[A single turtle GPS]],
+	description = [[A single turtle GPS server
+
+Uses 4 wireless modems connected to a single turtle or computer connected with network cables.
+The turtle will also initially place all the modems in the correct locations.
+]],
 	licence = 'MIT',
 }