recent model: add constructors for RecentViewNode
recent model: add constructors for RecentViewNode

Just to make the code a bit cleaner.

Change-Id: I715a948bff9ee8e9ec4953b95d1bb46c8facff6d
Tuleap: #84

savoirfairelinux/ring-lrc,savoirfairelinux/ring-lrc,savoirfairelinux/ring-lrc,savoirfairelinux/ring-lrc,savoirfairelinux/ring-lrc