Serialize time to a string (#4)
Serialize time to a string (#4)

This commit has two changes:

1. It changes the subscriction stream to `events` just like the clock
example uses.
2. It serializes time values to strings as Neo4J does not has a native
time datatype.

The choice to serialize to string is arbritary as time could also
serialize to a long value. But I found this to be more readable as this
code is for example purposes.
chop-dbhi/eda