Translate step, not sure if I should also translate file names
Add some authors email
Rename and update installfest/get_a_sticker.step
Merge branch 'master' into feature_installfest_translations

Conflicts:
	sites/es/installfest/consigue_un_sticker.step
Fix translation and remove unused file
Merge pull request #128 from codificadas/feature_installfest_translations

Translate step, not sure if I should also translate file names