pycurl: pycurl component added
erp5: add monitoring instance & http log access

Conflicts:
	stack/erp5/buildout.cfg
fix, add monitoring for slapos master software release
stack erp5: Allow to enable or desable monitor, and to define custom port for monitoring instance

We can set a specific port-base to use for monitor instance. We can also activate
or desactivate monitor by using parameter "monitor": true in zope or mariadb parameters.
Add parameters to Activate or desactivate monitor and to set port-base