Batch support

[aravij]

Processing in batch mode is done with

emcat batch -f batchFile -o outputFile

Batch input file format: CSV with tree columns: "FILE_PATH","CLASS_NAME","METHOD_NAME".
Each entry describes one method.

Batch output format: CSV with five columns: "FILE_PATH","CLASS_NAME","METHOD_NAME","NCSS","CYCLOMATIC_COMPLEXITY".
Each entry describes one method from input and metrics calculated on it.

Now to calculate metrics of single method, one should use following command:

emcat single -f filePath -c className -m methodName