Changed eigen_ to eigen(x)
Fixed reaction rates
Updated rates of change values
Fixed bug FS#75, moved utility wrapper code to wrapper.
Merge branch 'develop' of github.com:AndySomogyi/roadrunner into develop
Fixed bug FS#74, changed C api macros to catch all std::exception
Fixed bug FS#73, were errors calling model get conc values.
tweaks for MSVC compile, ran win32 tests
Clean up logging system, remove old names.

Enable logging to file, console, either or both.

Fix issues FS#76 and FS#62
ran Win32 tests
Merge branch 'develop' of https://github.com/AndySomogyi/roadrunner into auto_plugin

Conflicts:
	apps/rr/main.cpp
Fixed namespace conflict Poco::Logger and rr::Logger.
Some other namespace changes