* Fix#4043, Support MTGJSONv5 format in Oracle downloader
* Auto redirect V4 downloads to V5, as we won't support V4 after this change
* clangify >_>
* Remove null values and account for IDs missing
* fix split cards and double faced cards somewhat
* do not consider double faced cards duplicates
* fix promo double sided cards
* typo
* fix alternative versions of cards with (letter)
* zach says this is more readable
* pre qt 5.10 compatibility
Co-authored-by: ebbit1q <ebbit1q@gmail.com>
* oracle now can be run in spoiler or normal mode
* tests for travis
* only run on relaunch
* spoilers in client (not oracle now) and tray icon shows when done
* spoiler status will be checked before downloading spoiler file
* only download if they care about spoilers
* reload db on spoiler download
* manual update button, code cleanup, and fix enabling sets when new
* cleanup, nullchecks, and fixes to spoiler
* reload DB even if not in spoiler season; necessary as we have a check elsewhere to prevent the reload if spoiler check happens
* Implement changes from 2991#issuecomment-356169374
* Change implicit nullptrs, alert on file deletion, minor changes
* make reload thread safe and minor changes from 2991#issuecomment-356450302
* Fix locking
* Disable update now button while process running
By default oracle saves cards.xml to the correct path, where cockatrice
will be able to pick it up;
if oracle is not able to determine the path or the user unchecks the
option, oracle will ask for a save path
