add opencv recipt
add python recipt
add build-essential recipt
moved build-essentials to proper dir
Merge branch 'master' into chef
fixed role web
Merge branch 'master' of github.com:chekunkov/egonomist into chef
Merge branch 'master' of github.com:chekunkov/egonomist into chef
Merge branch 'master' of github.com:chekunkov/egonomist
Merge branch 'chef'