mishudark

Add support for context

2

The use of context is a must to have with Go v1.7.4+ and it should help to cancel long running process according the developer needs

refactor(golint): put the files inside cmd/foo and add more go style

5

Hi, I add a more go style project style (put the executable files inside `cmd/foo`)

Actually, if a fieldMask is provided, the services return an error `no implemented` however could be great to have the full example whit this impl