<NME> private.properties
<BEF> key.store=key.keystore
key.alias=alias
key.store.password=password
key.alias.password=password

# Opencaching.ro
ocro.okapi.consumer.key=
ocro.okapi.consumer.secret=

# Opencache.uk
ocuk.okapi.consumer.key=
ocuk.okapi.consumer.secret=

# Geocaching.su
su.consumer.key=
su.consumer.secret=

# Geocaching.com public API for Adventure Labs
alc.consumer.key=

<MSG> Fix cgeo#7192: README.md unclear to newbie about API keys

Update README.md to use private.properties for generating and filling out keys.xml.
Additional some minor changes in README.md.
Add rows for the keys in the template file for private.properties.

<DFF> @@ -1,4 +1,24 @@
 key.store=key.keystore
 key.alias=alias
 key.store.password=password
-key.alias.password=password
\ No newline at end of file
+key.alias.password=password
+
+maps.api.key=
+
+ocde.okapi.consumer.key=
+ocde.okapi.consumer.secret=
+
+ocpl.okapi.consumer.key=
+ocpl.okapi.consumer.secret=
+
+ocus.okapi.consumer.key=
+ocus.okapi.consumer.secret=
+
+ocnl.okapi.consumer.key=
+ocnl.okapi.consumer.secret=
+
+ocro.okapi.consumer.key=
+ocro.okapi.consumer.secret=
+
+ocuk.okapi.consumer.key=
+ocuk.okapi.consumer.secret=
\ No newline at end of file

Fix cgeo#7192: README.md unclear to newbie about API keys