Fixed some bad naming in DynamicLibrary, silenced an unnecessary warning from Visual C++ (urging us to use non standard library calls), fixed some DLL exports for Visual C++.

A small bug has been fixed for code::blocks (dll_import should not be set for code::blocks on Windows). All #ifdef WIN32 have been replaced by #ifdef _WIN32 (which should be more standard). 

Version numbers have been pushed to 2.0.1 in order to prepare our upcoming release.

First batch of fixes for issue 68 (variable names starting with "_" invalid for some versions of Visual C++)

More fixes for Visual C++ (but not all done yet) as well as new assignments operators for 1d, 2d, 3d arrays. It is now possible to do something like my2Dgrid.grid2D = 2.; and every cell will be filled with 2.

BUGFIX: When adding a key on the fly to the ConfigReader object it disappeared when accessing it in a plugin. Reason: The dynamic instantiation used the filename parameter in the constructor of the plugins instead of the ConfigReader object itself. Architectural change inside DynamicLibrary was necessary.

Overall all include statements within in the library have been replaced by angle brackets, the default install path for the include file is $CMAKE_INSTALL_DIR/include/meteoio, the meteoio libraries (static and shared) will be installed in $CMAKE_INSTALL_DIR/lib per default.

The plugins will be installed in the subdirectory $CMAKE_INSTALL_DIR/lib/meteoio/plugins

Most of the doxygen issues have been fixed. A few are still left (and we lost the inheritance structure in doxygen).

Changed the name of the Date_IO class to Date. In case of namespace conflicts, just use mio::Date to reference the MeteoIO Date class.

The license information has been added: LPGLv3 headers in all header files, license texts as well as a Linux Software Map entry file.

The installation procedure has been added to cmake configuration files (similar to the autotools)

* in order to be able to compile under Windows, the "printf"s in the Makefile.in were changed to "echo"
* the Makefile currently cannot link the plugins correctly on a windows platform, a separate Makefile.win32 seems to be necessary
* IOHandler doesn't call any functions that are platform dependent when loading the plugins, or displaying error messages. All platform specific aspects are dealt with in DynamicLibrary.cc and DynamicLibrary.h (a lot of "#ifdef WIN32" conditionals)

Nothing special, just some re-indentation in order to make the code lines clear and easy to run and understand.