Add Visual Studio project files to .gitignore

.gitignore

@@ -3,15 +3,26 @@ CMakeCache.txt
 CMakeFiles
 cmake_install.cmake
 Makefile
+/modules/gen_pipelineregistration.h
 
 # Files generated by Qt's moc and uic
 moc_*.cxx
 moc_*.cxx_parameters
-application/ui_mainwindow.h
+/application/ui_mainwindow.h
+
+# Build by-products generated by Visual Studio
+/CAMPVis.opensdf
+/CAMPVis.sdf
+/Win32/
+/ipch/
+*.dir/
 
 # Project files of common IDEs
 *.cbp
+*.vcxproj
+*.vcxproj.filters
+*.sln
 
 # Documentation generated by Doxygen
-doc/html
-doc/Doxyfile
+/doc/html/
+/doc/Doxyfile