#2 can't redirect SqlLine input via System.setIn

[John V Sichi]

System.setIn doesn't work because jline reads directly
from FileDescriptor.in, which is final. jline has
ConsoleReader constructors for reading from other
streams, but SqlLine doesn't use them. Perhaps define
a property to tell SqlLine that input is being redirected?
Or expose a public invocation API taking a stream as input.

[Marc Prud'hommeaux]

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Fixed for 1.0.1.