Add go vet and golint to TravisCI.

.travis.yml

@@ -5,9 +5,14 @@ go:
 install:
   - go get -d -t -v ./...
   - go get -v code.google.com/p/go.tools/cmd/cover
+  - go get code.google.com/p/go.tools/cmd/vet
+  - go get github.com/GeertJohan/fgt
+  - go get github.com/golang/lint/golint
 script:
+  - export PATH=$PATH:$HOME/gopath/bin
+  - go vet *.go
+  - fgt golint *.go
   - go test -v -covermode=count -coverprofile=profile.cov
 after_success:
   - go get -v github.com/mattn/goveralls
-  - export PATH=$PATH:$HOME/gopath/bin
   - goveralls -coverprofile=profile.cov -service=travis-ci