Added importRemoved / importAdded parameters when imports get changed
(update).
Merge remote-tracking branch 'upstream/master'

Conflicts:
	roboconf-agent/src/main/java/net/roboconf/agent/internal/Agent.java
Added embedded "IaaS" plugin (eg. for localhost).
Merge pull request #61 from gibello/master

importAdded / importRemoved parameters upon updates + new embedded "IaaS" plugin