build: some small improvements; bump to go1.10

- bump to go 1.10
- Add a linker tag with the build version
- Remove fastbuild, go builds are cached now
- Use better ginkgo suite names

pkg/ipam/ipam_suite_test.go

@@ -23,5 +23,5 @@ import (
 
 func TestIpam(t *testing.T) {
 	RegisterFailHandler(Fail)
-	RunSpecs(t, "Ipam Suite")
+	RunSpecs(t, "pkg/ipam")
 }