entities.inc: Added Entity_AddOutput
Added & compiled Entity_AddOutput in test_compile-all.sp
Merge branch 'master' into feature-pluginmanager
Merge branch 'master' into feature-pluginmanager
Merge branch 'feature-pluginmanager' of github.com:bcserv/smlib into feature-pluginmanager
Moved the pluginmanager_example to the template folder