make https://github.com/D-programming-Language/visuald a link to itself
point the "edit" button to the right place (doc folder)...
Merge pull request #30 from notna123/patch-2

make https://github.com/D-programming-Language/visuald a link to itself
fix links to VS Shell and GDC
Merge pull request #32 from rainers/master

fix links to VS Shell and GDC
Merge pull request #31 from notna123/patch-3

point the "edit" button to the right place (doc folder)...