Fixes #5549: Rewrite system techniques to use normal ordering on 2.11
Refs #5446: Rewrite techniques to use only ${}
Merge pull request #501 from peckpeck/bug_5549/rewrite_system_techniques_to_use_normal_ordering_on_2_11

Bug 5549/rewrite system techniques to use normal ordering on 2 11
Reindent and merge
Merge branch 'branches/rudder/2.11'