point the "edit" button to the right place (doc folder)...
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)...
- add installation for VS2014
- bugzilla 13452: fix file monitoring
- bugzilla 13616: fix freeze when starting completion at the very first line and column of source