update travis

.travis.yml

@@ -3,6 +3,7 @@ language: go
 go:
   - 1.6
   - 1.5.3
+  - 1.4.3
 services:
   - redis-server
   - mysql
@@ -31,11 +32,11 @@ install:
   - go get github.com/siddontang/ledisdb/ledis
   - go get golang.org/x/tools/cmd/vet
   - go get github.com/ssdb/gossdb/ssdb
-  - go get github.com/golang/lint/golint
 before_script:
   - sh -c "if [ '$ORM_DRIVER' = 'postgres' ]; then psql -c 'create database orm_test;' -U postgres; fi"
   - sh -c "if [ '$ORM_DRIVER' = 'mysql' ]; then mysql -u root -e 'create database orm_test;'; fi"
   - sh -c "if [ '$ORM_DRIVER' = 'sqlite' ]; then touch $TRAVIS_BUILD_DIR/orm_test.db; fi"
+  - sh -c "if [ $(go version) == *1.[5-9]* ]; then go get github.com/golang/lint/golint; golint ./...; fi"
   - mkdir -p res/var
   - ./ssdb/ssdb-server ./ssdb/ssdb.conf -d
 after_script:
@@ -43,5 +44,4 @@ after_script:
   - rm -rf ./res/var/*
 script:
   - go vet -x ./...
-  - golint ./...'
   - go test -v ./...