Added cvf::ProgramOptions class to Fwk

Integrated from CS PF as of changelist 235
Added RimResultCase::setGridFileName()
Added member to recompute all statistics

Added member function
RimAnalysisModels::recomputeStatisticsForAllCaseGroups().
Added member ProgramOptions::firstValue()
Added conversion of lists/arrays plus renames

Renamed/deprecated fromQString(), new function is toString()
First cut, command line options for batch processing

First cut implementation of command line oprions for batch proccessing.
Added support for the follwoing new command line options:
size, replacecase, replaceSourceCase and multiCaseSnapshots
Reworked the entire command line processing code.
Refactored ProgramOptions class
Merged down changes from Resinsight dev branch