Add vet and lint where possible to travis.

.travis.yml

@@ -1,3 +1,16 @@
 language: go
-go: release
+go:
-install: go get -d -t -v ./...
+  - 1.2
+  - release
+  - tip
+install:
+  - go get -d -t -v ./...
+  - go get -v code.google.com/p/go.tools/cmd/vet
+  - go get -v github.com/GeertJohan/fgt
+  - go get -v github.com/golang/lint/golint
+script:
+  - export PATH=$PATH:$HOME/gopath/bin
+  - go vet ./...
+  - fgt golint memdb
+  - fgt golint ldb
+  - go test -v