ported nvd3 fix from https://github.com/novus/nvd3/commit/0894152def263b8dee60192f75f66700cea532cc
ported nvd3 fix from https://github.com/novus/nvd3/commit/0894152def263b8dee60192f75f66700cea532cc

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