Corrected typo (w.r.t. Java 8 profile).

git-svn-id: http://svn.finmath.net/finmath%20lib/trunk@856 48fcbb9e-5639-0410-8b25-842128a4905d
Organized imports.

git-svn-id: http://svn.finmath.net/finmath%20lib/trunk@857 48fcbb9e-5639-0410-8b25-842128a4905d
Renamed RandomVariableOperator to RandomVariableLazyEvaluation. There will be a new class which represents a true operator in the future. Its name will be RandomVariableOperator then.

git-svn-id: http://svn.finmath.net/finmath%20lib/trunk@858 48fcbb9e-5639-0410-8b25-842128a4905d