[El] Upgrading elgis (stable) to postgis 1.5.2 and elgis-plus to QGIS 1.5.0

[Mathieu Baudier]

Hi,

if not objection, I will move postgis 1.5.2 and QGIS 1.5.0 to stable
over the next few days.

Cheers,

Mathieu