added slides for the first part of my talk for developers day serbia
added second part of my talk for the developers day in serbia
adding video for developers day part2
removed youtube video, shower does not comply
added marketplace slide and app video link
added slides for montenegro and fixed slides for serbia part1
Merge branch 'master' into gh-pages
Merge branch 'master' into gh-pages
Merge branch 'master' into gh-pages
renamed folder for git training
renamed the git basics forder
renamed the git basics folder