deployment.sh: assign debian releases to all present installer versions

Make it obvious which platform releases use which underlying Debian release,
once we have wheezy support the default will be changed and we don't want
to have wrong assignments for existing releases then.

From: Michael Prokop <mprokop@sipwise.com>

deployment.sh

@@ -583,17 +583,17 @@ if "$PRO_EDITION" ; then
 elif "$CE_EDITION" ; then
   case "$SP_VERSION" in
     # we do not have a local mirror for lenny, so disable it
-    2.1) INSTALLER_VERSION="0.3.2" ; DEBIAN_RELEASE="lenny" ;;
-    2.2) INSTALLER_VERSION="0.4.7";;
-    2.4) INSTALLER_VERSION="0.6.3";;
-    2.5) INSTALLER_VERSION="0.7.3";;
-    2.6-rc1) INSTALLER_VERSION="0.8.1";;
-    2.6-rc2) INSTALLER_VERSION="0.8.2";;
-    2.6) INSTALLER_VERSION="0.8.3";;
-    2.7-rc2) INSTALLER_VERSION="0.9.0";;
-    2.7-rc3) INSTALLER_VERSION="0.9.1";;
-    2.7) INSTALLER_VERSION="0.9.2";;
-    2.8) INSTALLER_VERSION="0.10.2";;
+    2.1)     INSTALLER_VERSION="0.3.2" ;  DEBIAN_RELEASE="lenny" ;;
+    2.2)     INSTALLER_VERSION="0.4.7" ;  DEBIAN_RELEASE="squeeze" ;;
+    2.4)     INSTALLER_VERSION="0.6.3" ;  DEBIAN_RELEASE="squeeze" ;;
+    2.5)     INSTALLER_VERSION="0.7.3" ;  DEBIAN_RELEASE="squeeze" ;;
+    2.6-rc1) INSTALLER_VERSION="0.8.1" ;  DEBIAN_RELEASE="squeeze" ;;
+    2.6-rc2) INSTALLER_VERSION="0.8.2" ;  DEBIAN_RELEASE="squeeze" ;;
+    2.6)     INSTALLER_VERSION="0.8.3" ;  DEBIAN_RELEASE="squeeze" ;;
+    2.7-rc2) INSTALLER_VERSION="0.9.0" ;  DEBIAN_RELEASE="squeeze" ;;
+    2.7-rc3) INSTALLER_VERSION="0.9.1" ;  DEBIAN_RELEASE="squeeze" ;;
+    2.7)     INSTALLER_VERSION="0.9.2" ;  DEBIAN_RELEASE="squeeze" ;;
+    2.8)     INSTALLER_VERSION="0.10.2" ; DEBIAN_RELEASE="squeeze" ;;
   esac
 fi