Some fix in .travis.yml.
Some fix in .travis.yml.

bwtakacy/pg_bulkload,bwtakacy/pg_bulkload,ooyamams/pg_bulkload,bwtakacy/pg_bulkload,ooyamams/pg_bulkload,ooyamams/pg_bulkload,bwtakacy/prev_pg_bulkload_repo,bwtakacy/prev_pg_bulkload_repo,bwtakacy/prev_pg_bulkload_repo