E3antlhsh mnhmhs apo munin se Debian (unstable)

[Sotiris Katsikis]

Opote librrd2 1.2.15-0.1 kai munin = no go,
revert se librrd2 1.2.11-0.6 h proswrinh lysh.

Ontws kai se mena, xwris update tou munin alla me update tou rrd
(librrd etc.) emfanisthke to problima, arketa shmantiko, dioti exanes
to systhma (me 110% memory usage apo 40-50%).