Fixed Bootil::File::ChangeMonitor not following symbolic links on Windows.
Readding the Linux part of the change watcher
Merge pull request #1 from ace13/linux-changes

Readding the Linux part of the change watcher
Changed the WIN32 ifdefs to use _WIN32 instead.
Merge pull request #4 from assassini/master

Fixed Bootil::File::ChangeMonitor not following symbolic links on Windows