travis: run on node 0.11
travis: run on node 0.11

gastrodia/leveldown,No9/leveldown,timkuijsten/leveldown,mafintosh/leveldown-prebuilt,No9/leveldown,phillipj/leveldown,juliangruber/a-native-module,jhead/leveldown,mafintosh/leveldown-prebuilt,juliangruber/a-native-module-without-prebuild,ralphtheninja/leveldown,timkuijsten/leveldown,jhead/leveldown,timkuijsten/leveldown,No9/leveldown,Level/leveldown,juliangruber/a-native-module,chjj/rocksdown,chjj/rocksdown,gastrodia/leveldown,mafintosh/leveldown-prebuilt,juliangruber/a-native-module-without-prebuild,MathieuCassagne/leveldown,jhead/leveldown,juliangruber/a-native-module,juliangruber/a-native-module-without-prebuild,chjj/rocksdown,jhead/leveldown,jmanero/flat-rocks,juliangruber/a-native-module,ralphtheninja/leveldown,MathieuCassagne/leveldown,jhead/leveldown,Level/leveldown-mobile,MathieuCassagne/leveldown,Level/rocksdb,Level/leveldown-mobile,phillipj/leveldown,Level/leveldown-mobile,MathieuCassagne/leveldown,mafintosh/leveldown-prebuilt,chjj/rocksdown,timkuijsten/leveldown,Level/leveldown-mobile,timkuijsten/leveldown,Level/leveldown,MathieuCassagne/leveldown,jmanero/flat-rocks,ralphtheninja/leveldown,gastrodia/leveldown,juliangruber/a-native-module,jmanero/flat-rocks,No9/leveldown,No9/leveldown,juliangruber/a-native-module-without-prebuild,gastrodia/leveldown,jmanero/flat-rocks,Level/rocksdb,snowyu/node-nosql-leveldb,gastrodia/leveldown,mafintosh/leveldown-prebuilt,snowyu/node-nosql-leveldb,phillipj/leveldown,snowyu/node-nosql-leveldb,Level/leveldown,Level/rocksdb,snowyu/node-nosql-leveldb,ralphtheninja/leveldown,phillipj/leveldown,ralphtheninja/leveldown,jmanero/flat-rocks,snowyu/node-nosql-leveldb,phillipj/leveldown,juliangruber/a-native-module-without-prebuild,Level/leveldown-mobile