BUGFIX main: throw exception in case of an empty file
adjusted CMake ROOT find script to better cope with typical WIN32 ROOT setups
adjusted CMake find routine for ZestSC1 package to determine path in ./extern folder automatically; adjusted path to windows 7 libs
removed debug output
added automatic path finding for packages installed to ./extern
updated README with some WIN32 specific infos
added printout of system and config information to CMake scripts
(partially) fixed compilation under WIN32; addresses issue #17
modified linked ROOT libraries under WIN32; addresses issue #17
Merge pull request #21 from msmk0/fix_read_empty_files

BUGFIX: read rempty files