Don't run bin/buildout unnecessarily

When a non-phony target depends on a phony target Make assumes it always needs to be rebuilt.
Pass --config.interacitve=false to bower install so it doesn't prompt for analytics consent.
Added test of news import command
arns: command import news (work in progress)
Merge pull request #10 from frgtn/disable_bower_analytics

Pass --config.interacitve=false to bower install
Merge pull request #9 from mgedmin/master

'make test' keeps running bin/buildout every time
Rename managment to management so commands work nao.
Fix pyflake errors in import command and expand test stub a bit.