Revert "free barriers properly"
Revert "free barriers properly"

This reverts commit 35a74cf20ce1fa7f801b375fe7a6a51da9536ee5.

Conflicts:
	arangod/V8Server/v8-query.cpp

mujiansu/arangodb,kkdd/arangodb,nvoron23/arangodb,razvanphp/arangodb,kkdd/arangodb,kkdd/arangodb,morsdatum/ArangoDB,kkdd/arangodb,razvanphp/arangodb,aurelijusb/arangodb,kkdd/arangodb,pekeler/arangodb,abaditsegay/arangodb,aurelijusb/arangodb,kkdd/arangodb,pekeler/arangodb,abaditsegay/arangodb,nekulin/arangodb,aurelijusb/arangodb,nvoron23/arangodb,morsdatum/ArangoDB,nvoron23/arangodb,morsdatum/ArangoDB,nekulin/arangodb,mujiansu/arangodb,razvanphp/arangodb,abaditsegay/arangodb,razvanphp/arangodb,pekeler/arangodb,aurelijusb/arangodb,razvanphp/arangodb,pekeler/arangodb,nekulin/arangodb,pekeler/arangodb,razvanphp/arangodb,aurelijusb/arangodb,morsdatum/ArangoDB,razvanphp/arangodb,morsdatum/ArangoDB,pekeler/arangodb,abaditsegay/arangodb,morsdatum/ArangoDB,nekulin/arangodb,nvoron23/arangodb,abaditsegay/arangodb,morsdatum/ArangoDB,kkdd/arangodb,morsdatum/ArangoDB,abaditsegay/arangodb,abaditsegay/arangodb,pekeler/arangodb,nvoron23/arangodb,nvoron23/arangodb,aurelijusb/arangodb,abaditsegay/arangodb,mujiansu/arangodb,mujiansu/arangodb,razvanphp/arangodb,abaditsegay/arangodb,kkdd/arangodb,pekeler/arangodb,razvanphp/arangodb,mujiansu/arangodb,pekeler/arangodb,nekulin/arangodb,kkdd/arangodb,nekulin/arangodb,kkdd/arangodb,nekulin/arangodb,mujiansu/arangodb,morsdatum/ArangoDB,nekulin/arangodb,aurelijusb/arangodb,aurelijusb/arangodb,nvoron23/arangodb,mujiansu/arangodb,pekeler/arangodb,morsdatum/ArangoDB,mujiansu/arangodb,nekulin/arangodb,nvoron23/arangodb,razvanphp/arangodb,abaditsegay/arangodb,aurelijusb/arangodb,mujiansu/arangodb,nvoron23/arangodb,nekulin/arangodb,aurelijusb/arangodb,nvoron23/arangodb,mujiansu/arangodb