SPARK-1297 Upgrade HBase dependency to 0.98

pwendell rxin
Please take a look

Author: tedyu <yuzhihong@gmail.com>

Closes #3115 from tedyu/master and squashes the following commits:

2b079c8 [tedyu] SPARK-1297 Upgrade HBase dependency to 0.98

(cherry picked from commit b32734e12d5197bad26c080e529edd875604c6fb)
Signed-off-by: Patrick Wendell <pwendell@gmail.com>