Extended documentation traffic sign/road markings (resolves #229) (resolves #230) (#231)

* Extended documentation traffic sign/road markings

Remove doxygen windows bug (roadmarking types are not correct).
Add StVO road markings as symbolic signs in documentation of traffic signs.

* Documentation additional road markings

Add StVO no for symbolic traffic signs as road markings

Author: carsten-kuebler

README.md

@@ -102,10 +102,12 @@ Copy the content of the repo proto2cpp to your desired `<path-to-proto2cpp.py>`
 Citing
 ------
 
-Use the following citation for referencing the OSI interface in your scientific work: `@misc{osi.2017,
+Use the following citation for referencing the OSI interface in your scientific work: `
+@misc{osi.2017,
         author = {Hanke, Timo and Hirsenkorn, Nils and {van~Driesten}, Carlo and {Garcia~Ramos}, Pilar and Schiementz, Mark and Schneider, Sebastian},
         year = {2017},
         title = {{Open Simulation Interface: A generic interface for the environment perception of automated driving functions in virtual scenarios.}},
         url = {http://www.hot.ei.tum.de/forschung/automotive-veroeffentlichungen/},
         note = {{Accessed: 2017-08-28}}
-}`
+} 
+`

osi_roadmarking.proto

@@ -97,7 +97,8 @@ message RoadMarking
         //
         enum Type
         {
-            // Type of road marking is unknown (must not be used in ground truth).
+            // Type of road marking is unknown (must not be used in ground 
+            // truth).
             //
             TYPE_UNKNOWN = 0;