Don't try to connect to meta in `NewClient()'.
Don't try to connect to meta in `NewClient()'.

We just want to initialize the struct, not have any complex side
effects.  Otherwise it makes testing more painful.  And also, meta
isn't really that special, it'll be looked up when needed anyway.

Change-Id: Ia72c563b85385411ddf4074aa2fd1bedbd151a26

tempbottle/gohbase,henrylee2cn/gohbase,dougklein/gohbase,tsuna/gohbase,dougklein/gohbase