json-glib: Put in an extra folder as it may be used by others.

This way it is easier to spot. We need to make sure that the versions in moblin
work with this version as well and move them.

diff --git a/recipes/ayatana/json-glib_0.10.4.bb b/recipes/json-glib/json-glib_0.10.4.bb
similarity index 100%
rename from recipes/ayatana/json-glib_0.10.4.bb
rename to recipes/json-glib/json-glib_0.10.4.bb