o ROBUSTNESS: Now fit2d() for matrix utilizes use() for aroma.light.
o ROBUSTNESS: Added several missing NAMESPACE imports.
o BUG FIX: writeDataFrame(..., columnNamesPrefix="none") for
  AromaUnitSignalBinaryFile would give an error.
Forgot to bump version
o Now 'aromaSettings' are loaded when the packages is loaded.
  Previously the package had to be attached.
  Added package system test for this.