Add firebreath_sign_file, firebreath_sign_plugin, and firebreath_find…

…_plugin_path cmake macros for mac

Add UNICODE flag to buildconfig to ensure log4cplus works

FireBreath 1.7.0 Beta 1

FireBreath 1.6.0 final release

FireBreath 1.6.0 release candidate 2

FireBreath 1.6.0 release candidate 1

FireBreath 1.5.2 release

FireBreath 1.5.1 bugfix release

Final release for FireBreath 1.5.0

FireBreath 1.5.0 now in RC