Merge pull request #15 from dbeck/master

make jenkins happy
Breaking build to test CI notifications.
Fixing build.
FDW is no able to receive data in chunks.
FDW is no able to receive data in chunks.
Merge branch 'master' of github.com:szilardhuber/virtdb-fdw
Merge pull request #16 from szilardhuber/master

FDW is now able to receive data in chunks.
Changed Query channel to PUSH
Changed Query channel to PUSH
Merge branch 'master' of github.com:szilardhuber/virtdb-fdw
Updated proto submodule to HEAD.
Updated gtest submodule to HEAD.
Merge pull request #17 from szilardhuber/master

Changed Query channel to PUSH
Changed column identification to id instead of autoincrement + Fixed some queries.
Changed column identification to id instead of autoincrement + Fixed some queries.
Merge branch 'master' of github.com:szilardhuber/virtdb-fdw
Merge pull request #18 from szilardhuber/master

Changed column identification to id instead of autoincrement + Fixed some queries
Creating debug symbols.
Fixed expression wrapper class. Fixed performance issue -> data_handler::received_data(). Fixed usage of column ids.
Merge remote-tracking branch 'upstream/master'