basic implementation of num-file-reader
changed console output to logog commands
the forgotten ouput
changed string output to char array
Updated copyright year.
Merge pull request #432 from rinkk/XmlNumReader

XML numeric file reader
Merge pull request #400 from bilke/external-data

Executable testing and test data integration
extended implementation of gsp file to specify processes and store process-dependent data
removed debug msg
fixed indentation and renamed method
renamed gsp-interface to project-interface
First OGS simulation main program.
Specify full path in #include.

This is required for an upcoming application.
It was already discussed in #89 and will come up
with more changes as the application grows. So
step by step all #includes will have the full
paths prepended.
Adjust CMake config for command line application.

Previously added OGS directory holds the libOGS
and not the applications. This also separates
the libOGS library from applications.
Move ogs application into Applications/.
[A] Update for Gsp to Project XmlInterface rename.
Add ctest for ogs executable.
[A] Include copyright and version info.
[A] Make project file argument unlabeled.

This is not an optional argument and the extra flag is not necessary.
Specify arguments help info.
[D] Add Applications dir to doxygen inputs.