Salt: upgrade drush from 6.2.0 to 6.3.0.
Salt: upgrade drush from 6.2.0 to 6.3.0.

Release notes:
https://github.com/drush-ops/drush/releases/tag/6.3.0

Simply run `vagrant provision` to update drush on existing VM.

angaither/dosomething,angaither/dosomething,mshmsh5000/dosomething-1,DoSomething/dosomething,angaither/dosomething,mshmsh5000/dosomething-1,sbsmith86/dosomething,deadlybutter/phoenix,DoSomething/phoenix,jonuy/dosomething,jonuy/dosomething,sergii-tkachenko/phoenix,deadlybutter/phoenix,jonuy/dosomething,chloealee/dosomething,mshmsh5000/dosomething-1,DoSomething/phoenix,chloealee/dosomething,DoSomething/dosomething,angaither/dosomething,jonuy/dosomething,sergii-tkachenko/phoenix,chloealee/dosomething,mshmsh5000/dosomething-1,deadlybutter/phoenix,mshmsh5000/dosomething,jonuy/dosomething,jonuy/dosomething,mshmsh5000/dosomething,DoSomething/phoenix,sbsmith86/dosomething,DoSomething/dosomething,sergii-tkachenko/phoenix,sbsmith86/dosomething,DoSomething/phoenix,angaither/dosomething,sbsmith86/dosomething,mshmsh5000/dosomething-1,deadlybutter/phoenix,chloealee/dosomething,sbsmith86/dosomething,sbsmith86/dosomething,chloealee/dosomething,DoSomething/phoenix,angaither/dosomething,DoSomething/dosomething,mshmsh5000/dosomething,mshmsh5000/dosomething,deadlybutter/phoenix,sergii-tkachenko/phoenix,sergii-tkachenko/phoenix,DoSomething/dosomething,chloealee/dosomething,DoSomething/dosomething