use sipwise's percona repository when ngcpautobuildrelease is set

- also revert last changes, as 2.5-rc2 should be installed without
  forcing specific version of installer. use ngcpautobuildrelease

deployment.sh

@@ -466,7 +466,6 @@ if "$PRO_EDITION" ; then
     2.3) INSTALLER_VERSION="0.5.3" ;;
     2.4) INSTALLER_VERSION="0.6.3";;
     2.5-rc1) INSTALLER_VERSION="0.6.4";;
-    2.5-rc2) INSTALLER_VERSION="0.6.7";;
   esac
 elif "$CE_EDITION" ; then
   case "$SP_VERSION" in
@@ -474,7 +473,6 @@ elif "$CE_EDITION" ; then
     2.1) INSTALLER_VERSION="0.3.2" ; DEBIAN_RELEASE="lenny" ; USE_LOCAL_MIRROR='false' ;;
     2.2) INSTALLER_VERSION="0.4.7";;
     2.4) INSTALLER_VERSION="0.6.3";;
-    2.5-rc2) INSTALLER_VERSION="0.6.7";;
   esac
 fi
 
@@ -895,7 +893,7 @@ deb http://deb.sipwise.com/autobuild/release/release-${AUTOBUILD_RELEASE} releas
 deb http://deb.sipwise.com/${DEBIAN_RELEASE}-backports/ ${DEBIAN_RELEASE}-backports main
 
 # Percona's high performance mysql builds
-deb http://repo.percona.com/apt ${DEBIAN_RELEASE} main
+deb http://deb.sipwise.com/percona/ ${DEBIAN_RELEASE} main
 
 # Sipdoc.net repository for misc voip tools
 deb http://deb.sipdoc.net debian main