Fixes #5548: Rewrite system techniques to use normal ordering on 2.10
Refs #5446: Rewrite techniques to use only ${}
Merge pull request #500 from peckpeck/bug_5548/rewrite_system_techniques_to_use_normal_ordering_on_2_10

Bug 5548/rewrite system techniques to use normal ordering on 2 10
Reindent and merge
Merge branch 'branches/rudder/2.10' into branches/rudder/2.11