created a new class OMNeTFileParser which provides methods shared by the vector and scalar file parser
still moving methods from class ScalarFileParser to OMNeTFileParser
read method has no argument anymore (which in turn requires to create all the time a new file parser object in class experiment (but that's better than redundant code (since the scalar and vector file parser share the same code at some points))
added stub for delay analysis
added vector file parser for OMNeT++ files
added vector file parsing to class Experiment
Merge branch 'fileparser'
results of vector files are no longer added to class ExperimentResult