Added left menu bar for OperationsResearch page.

Signed-off-by: Sai Sasidhar M <sai.sasidhar92@gmail.com>
stückgutrutsche completed by Tobias and me. Added a TechnischeMechanik view for the MVC
Merge branch 'master' of https://github.com/hskaw/WIFE into sai/features
Updated Stueckgutrutsche with graphics elements, layout. Testing work ahead
Certain bug fixes, related to the graphics.
Merge branch 'master' of https://github.com/hskaw/WIFE into sai/features
Merge branch 'master' of https://github.com/hskaw/WIFE into sai/features
New example in TM : Masse gleitet von Halb Zylinder
Merge remote-tracking branch 'origin/sai/features'