let the dockerfile build from iotdb v0.8

[jixuan1989]

for testing, please see #69

[jixuan1989]

well... docker build failed because:

Downloading from central: https://repo.maven.apache.org/maven2/org/scala-lang/scala-library/2.11.6/scala-library-2.11.6.pom
Downloaded from central: https://repo.maven.apache.org/maven2/org/scala-lang/scala-library/2.11.6/scala-library-2.11.6.pom (1.4 kB at 3.4 kB/s)
[ERROR] error: scala.reflect.internal.MissingRequirementError: object java.lang.Object in compiler mirror not found.
[ERROR] 	at scala.reflect.internal.MissingRequirementError$.signal(MissingRequirementError.scala:17)
[ERROR] 	at scala.reflect.internal.MissingRequirementError$.notFound(MissingRequirementError.scala:18)
[ERROR] 	at scala.reflect.internal.Mirrors$RootsBase.getModuleOrClass(Mirrors.scala:53)

I think it is because the version problem of scala.

[jixuan1989]

@samperson1997 can you have a look?

[samperson1997]

Spark-tsfile module is avoided to be compiled by PR #308.