* extract seasonal-shop config - use summer season items (to work on)
* add suggested border to shopItems
* refactor getOfficialPinnedItems (now includes the seasonal gear)
* refactor shops.getSeasonalShop - add featured items to result - add the set to special equipment items
* feat(content): Fall 2017 seasonal gear
Also adds set keys for all prior seasonal gear.
* show item limited time (buyModal & shopItem)
* select seasonal fall sets
* WIP(seasonal-shop): placeholder Fall 2017 items
* fix lint
* sprites
* styling + fix purchase of seasonal spells
* compile sprites
* fixes: check isPinned with officialItems
* enable purchase of seasonal items for testing
* fix shop apis
* add featuredItems to market
* quest shop: add featuredItems to api
* tiem travelers shop: add featuredItems to api
* fix gear types filter
* feat(content): Fall 2017 compleat
* chore(sprites): compile
* show opened shop state (npc+background)
* add opened seasonal npc
* current seasonal users class set = purchase by gold - lock other sets of the current season
* hide event badge in seasonal shop - dot only for suggested items - cursor: pointer on shopItems
* refresh rewards column list (seasonal gear won't refresh it on purchase)
* fix duplicate seasonal gear -> remove special items from the old reward gear (which is used to reset the pinned gears)
* every current season gear is purchased by gold - prevent buyModal on locked items
* use the current event date range
* list seasonal sets by event date
* use custom method instead of updateStore to list the pinnable gear
* change daterange to 10-31
* fix start quest modal from items - disable invite quest button if a quest is already active
* toggle pin in buy-dialogs
* check if the item is not undefined/null - renamed the watch function
* Added image
* Added new achievement to user schema
* Added new achievement to content
* Added new achievement to libs
* Added achievement text to locale
* Added achievement to notification model and controller
* Grant achievement on joining or creating first challenge
* Added achievement to modal template
* Compiled new sprites
* Added integration tests
* Fix linting error
