perform-in-progress-insert-wrecks-plans-on-table (patch 1 of 1)

'git apply --summary --stat --apply --verbose' output was:

 src/backend/storage/ipc/procarray.c |   86 +++++++++++++++++++++++++++++++++--
 src/backend/utils/time/tqual.c      |   28 +++++++++++
 src/include/utils/snapshot.h        |    6 ++
 3 files changed, 115 insertions(+), 5 deletions(-)

For original context, see http://www.postgresql.org/message-id/20130713091157.GB1011@toroid.org
Adding travis.yml