tmf: Put analyses under their own node in the Project View

tmf: Put analyses under their own node in the Project View

Moves all the analysis/views element under a trace to a new
sub-tree called "Views".

First part of implementing Proposal #2 at
https://wiki.eclipse.org/Trace_Compass/Design_Documents/Project_View#Proposal_2

Change-Id: Icfe0f779b61db1c0a84845b87273d33b8d9cf9dc
Signed-off-by: Alexandre Montplaisir <alexmonthy@efficios.com>
Reviewed-on: https://git.eclipse.org/r/69071
Reviewed-by: Hudson CI
Reviewed-by: Patrick Tasse <patrick.tasse@gmail.com>
Tested-by: Patrick Tasse <patrick.tasse@gmail.com>