Added libfbc as a submodule; will be used as an alternative simulation engine for FBA simulations.
CMSB 2014 poster files updated to the latest version.
libFBC submodule integration

- updated CMake build tree
- changed biopredyn doxygen target name
- misc: fixed SBMLServerImportTest and SteadyStateCobrapyFBA tests
Added missing input file for TimeSeriesCSVImportTest test.