Allow for aborting rescans and canceling showProgress dialogs

Pull Request #11200

State completed
Build time Total: 42 minutes
7 minutes for macOS
14 minutes for Windows
21 minutes for Linux
Platforms   
Start Date2017-09-06 22:15:48 UTC
Github#11200
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Author achow101
Pull request head hash3498226d
Build styleThis pull request was built on top of current master
Build Log HEAD~6488b9366e Merge branch 'gui-recan-abort' of https://github.com/achow101/bitcoin
6acdb1fab Merge #11238: Add assertions before potential null deferences
bc561b4b7 Merge #11099: [RPC][mempool]: Add savemempool RPC
961901f77 Merge #11117: Prepare for non-Base58 addresses
864cd2787 Move CBitcoinAddress to base58.cpp
5c8ff0d44 Introduce wrappers around CBitcoinAddress