Changed bigtable dependency to 0.5.0.
Changed bigtable dependency to 0.5.0.

lumifyio/lumify,bings/lumify,RavenB/lumify,Steimel/lumify,dvdnglnd/lumify,lumifyio/lumify,Steimel/lumify,Steimel/lumify,j-bernardo/lumify,j-bernardo/lumify,lumifyio/lumify,Steimel/lumify,RavenB/lumify,RavenB/lumify,dvdnglnd/lumify,bings/lumify,j-bernardo/lumify,dvdnglnd/lumify,bings/lumify,lumifyio/lumify,RavenB/lumify,dvdnglnd/lumify,Steimel/lumify,dvdnglnd/lumify,bings/lumify,RavenB/lumify,j-bernardo/lumify,lumifyio/lumify,j-bernardo/lumify,bings/lumify