Monitor: follow changes for promises definition in slapos.core and slapos.toolbox
Remove useless files from monitor configuration which are not used anymore
Move logrotate configuration and some monitor wrapper scripts to buildout
Use new promises from slapos.toolbox
Remove fluentd from software monitor
Update monitor Readme to follow ne promises design in slapos.core: now slapgrid will run all promises and monitor will collect results from Json files.