Handled absolute URL in sitemap index
Merge pull request #15 from mremi/absolute-url-in-sitemap-index

Handled absolute URL in sitemap index
update exporter version requirement
rel hreflang
add twig tests
Merge pull request #17 from verdet23/master

Add alternates "x-default hreflang"
use ~2.1 for symfony dependency instead of 2.*
Added PHP 5.5 to .travis.yml
Merge pull request #20 from pulzarraider/patch-1

Added PHP 5.5 to .travis.yml
Merge pull request #19 from jrobeson/patch-1

use ~2.1 for symfony dependency instead of 2.*
Update LICENSE

year range updated
Merge pull request #21 from peterkokot/patch-2

Update LICENSE
LICENSE moved to meta folder
Merge pull request #22 from peterkokot/patch-2

LICENSE moved to meta folder
Merge branch 'sonata/master'