removed unused metadata from ExpansionSet
[refactor] moved enums from Constants class
fixed constant imports in templates
Merge pull request #246 from Noahsark/master

Add a feature to addLandDialog; Change default view of sideboard to cardGrid;
Merge branch 'constants-refactor'
updated card template (fixed imports order)
* Countryside Crusher - Fixed card reveal logic.
Merge branch 'master' of https://github.com/magefree/mage.git
[minor] fixed some import errors.
Merge pull request #10 from magefree/master

update