INodeFunction is now called ICanBeEvaluated
Fixing bug on empty node and on saving programs
deviceState and getJSONDescription
really saving programJSON even when updating
Added node Comparator
Fixing NodeEmpty not ending
Program now sends events when changing state and NodeWait has been fixed
Enable mail service for forum4i (Hack, account are hardcoded in the composite distrib, should be get from context
Merge branch 'master' into StandaloneEHMI

Conflicts:

sources/appsgate-project/composite-distribution/src/main/resources/metad
ata.xml
fix little conflict bug in compisite-distribution