Do not use Google Maven Central mirror
Do not use Google Maven Central mirror

It does not have latest artifacts used by Hadoop trunk.
This fixes #36.

umbrant/dist_test,cloudera/dist_test,umbrant/dist_test,cloudera/dist_test,xiao-chen/dist_test,cloudera/dist_test,xiao-chen/dist_test,xiao-chen/dist_test,umbrant/dist_test,xiao-chen/dist_test,umbrant/dist_test,cloudera/dist_test