First cleanup attempt, mostly on Scala code, to follow guidelines from...
First cleanup attempt, mostly on Scala code, to follow guidelines from http://docs.scala-lang.org/style: 1. Remove return statement from Scala code where it is not necessary (end of method definition) 2. Remove extra ; from Scala and Java code 3. First drop to abide to 100 chars per line for Scala code. Will send another PR for other files as I have encountered. 4. Remove parentheses for empty argument methods that do not have side effect (see http://www.artima.com/pins1ed/composition-and-inheritance.html#i1343251059-1) 5. Remove unused import statements in Scala code as I have encountered them. This is first drop to refactor and clean up Scala code to see comment/ response from community. More PRs for follow up code will come. Close #64
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