Allow to select target node for each backup/PBS instance.
Allow to select target node for each backup/PBS instance: LAMP implementation
request recipe: Only append SLA parameter to the list if the key actually exists and is not empty string.
request.py: Properly fetch instance_guid of instance
Change PBS port so that it is not one widely used.
Fill changelog
Release slapos.cookbook-0.73.0
Advertise development of new version
Pin new egg versions for LAMP stack.
Factor code to ease a lot future implementations.
Explicit instance parameters when requesting apache0.
softwaretype recipe: all falsy parameter values are ignored.
Merge branch 'lapp-resilient3'
Release slapos.cookbook-0.73.1
Advertise development of new version.
Pin new egg versions in LAMP stack.
Explicit parts.

parts+= is a nightmare in buildout.
Sort extends.
Fix export/import for apache.
Update wordpress to 3.5.1.