Add Visual Studio 2010 SP1 download URL

Many people are confused by indicating just Visual Studio 2010 Express without SP1
Use 'with' instead of 'and'

Using 'with' instead of 'and' could prevent some people to think that SP1 is an other program, or is Windows SP1
Merge remote-tracking branch 'origin/master' into zelon-master

Conflicts:
	docs/build-instructions/windows.md