Add Metric Add Custom view to deal with custom plugin creation
fix several small issues
Add metrc_add_custom.css
Make larget popup and add example script
change plugin form
Add advanced settings
Update deploy button
Add method to deploy custom python collectd plugin

Also move all metrics functionality in methods.py
Sanitize target on the fly
Fix machine parameter
small fix
Change layout
Properly send plugin_type
Various changes on custom metric form
Merge branch 'custom_metrics.deploy_plugin' into deploy_metric
Change deploy_plugin api
Styling changes
Merge branch 'deploy_metric' of https://github.com/mistio/mist.io into deploy_metric
generate plugin id
Fix value type