Refs #3446 : initial commit
Fixes #3446 : improve perfs of rpmPackageInstallation by reading data from an external file
Merge pull request #93 from ncharles/ust_3444/dev/3446_read_select_data_from_external_file

Ust 3444/dev/3446 read select data from external file
Merge branch 'branches/rudder/2.3' into branches/rudder/2.4
Fix merge from 2.3 to 2.4 (new version of Technique)