add gitignore, run static analysis and fix a couple bugs, remove default build, fix typos

.gitignore

@@ -0,0 +1,30 @@
+*.sln
+*.vcxproj
+*.vcxproj.user
+*.vcxproj.filters
+*.sdf
+*.opensdf
+*.db
+*.opendb
+*.ilk
+*.pdb
+*.idb
+*.pch
+*.ipch
+*.obj
+*.bin
+*.exe
+*.lib
+*.log
+*.tlog
+*.lastbuildstate
+*.unsuccessfulbuild
+*.rc
+*.suo
+*.user
+*.so
+*.o
+*.a
+*.i
+build/
+doc/