BufferRelocation test: fixes
BufferRelocation test: fixes

- Increase timeout for slower systems
- Don't unhiccup nodes until failover has completed. This breaks IOCP
  tests otherwise (where the command suceeds before the failover
happens)
Change-Id: I9700693b581e64815a691cdbe9d78bc09d40b17d
Reviewed-on: http://review.couchbase.org/33001
Reviewed-by: Brett Lawson <c8c4369773d7d7226e031f0c4af62e3f38a08510@gmail.com>
Tested-by: Mark Nunberg <e7d42768707bf23038325b0b68d4b577e5f6064a@haskalah.org>

signmotion/libcouchbase,avsej/libcouchbase,avsej/libcouchbase,senthilkumaranb/libcouchbase,mnunberg/libcouchbase,mody/libcouchbase,mnunberg/libcouchbase,mnunberg/libcouchbase,mody/libcouchbase,PureSwift/libcouchbase,uvenum/libcouchbase,uvenum/libcouchbase,couchbase/libcouchbase,uvenum/libcouchbase,avsej/libcouchbase,signmotion/libcouchbase,mody/libcouchbase,mnunberg/libcouchbase,signmotion/libcouchbase,senthilkumaranb/libcouchbase,maxim-ky/libcouchbase,senthilkumaranb/libcouchbase,PureSwift/libcouchbase,kojiromike/libcouchbase,avsej/libcouchbase,maxim-ky/libcouchbase,kojiromike/libcouchbase,couchbase/libcouchbase,signmotion/libcouchbase,PureSwift/libcouchbase,kojiromike/libcouchbase,mody/libcouchbase,couchbase/libcouchbase,PureSwift/libcouchbase,couchbase/libcouchbase,mnunberg/libcouchbase,couchbase/libcouchbase,senthilkumaranb/libcouchbase,kojiromike/libcouchbase,couchbase/libcouchbase,maxim-ky/libcouchbase,couchbase/libcouchbase,uvenum/libcouchbase,avsej/libcouchbase,avsej/libcouchbase,maxim-ky/libcouchbase,uvenum/libcouchbase,avsej/libcouchbase