Set strict option correctly when using multiple queue options.
Remove support for `-q foo,bar` and `-q foo,3,bar` syntax. Use `-q foo -q bar` and `-q foo,3 -q bar` instead.
Add Ruby 2.1.0 to Travis config
Merge pull request #1409 from petergoldstein/feature/add_2_1_0_to_travis

Add Ruby 2.1.0 to Travis config
Merge pull request #1408 from DouweM/fix-strict

Set strict option correctly when using multiple queue options.