Misc. typos

+ some are doxy others are just comment code.  
+ some minor whitespace and grammatical tweaks. 
+ app/SCL/* typos have also been submitted upstream (https://github.com/stepcode/stepcode/pull/366). So it's ok to merge them in to master.

src/Mod/Cam/App/path_simulate.cpp

@@ -3161,7 +3161,7 @@ bool path_simulate::WriteOutputDouble(ofstream &anOutputFile, ofstream &anOutput
 	int pid2 = 3; // Slave
 	int pid3 = 4; // Platte
 
-    if (brob == false) // Simulations-Output (brob == true -> roboter-ouput)
+    if (brob == false) // Simulations-Output (brob == true -> roboter-output)
     {
 		TimeCorrection();