Move signal matches to triggers section

Create a triggers section that will support different types of triggers
for an event. Currently the only supported trigger is signal based where
code is generated to subscribe to the given matches for each member of
all groups in the event.

Tested:
    Generated code remains unchanged

Change-Id: I452cb35b12c13c77f3c653866095b09e33fd8692
Signed-off-by: Matthew Barth <msbarth@us.ibm.com>
2 files changed