0016472: Improve environment scripts for samples

Output directory for binaries of CSharp samples was corrected.
Common run.bat was created for CSharp samples.
Behaviour of run.bat file from mfc samples was extended.

Recovered separate run_*.bat files for each sample in CSharp sample.

samples/CSharp/run_wpf.bat

@@ -1,27 +1,3 @@
 @echo off
 
-if "%1" == "-h" (
-  echo Launch WPF sample as follows: 
-  echo %~n0 ^[vc9^] ^[win32^|win64^] ^[Debug^|Release^]
-  echo By default configuration set in ..\..\custom.bat is used
-  echo Run %~n0 -h to get this help
-  exit /B
-)
-
-call "%~dp0..\..\env.bat" %1 %2 %3
-
-set "EXEC=%~dp0\win%ARCH%\bin%CASDEB%\IE_WPF_WinForms.exe"
-
-if not exist "%EXEC%" goto err_exe
-
-"%EXEC%"
-
-goto eof
-
-:err_exe
-echo Executable %EXEC% not found.
-echo Check that OCCT and sample are built with the selected configuration:
-echo compiler=%VCVER% platform=win%ARCH% %3
-exit /B
-
-:eof
+call "%~dp0run.bat" WPF_WinForms