Merge pull request BitBoxSwiss#245

e1caf39 check hidden password (Marko Bencun)

Merge pull request BitBoxSwiss#238

24a9590 re-add Vagrant option for deterministic builds (djb)
a1b9704 updating to gcc v7; fix compile warnings (djb)

Merge pull request BitBoxSwiss#228

7536c93 Update pairing mechanism and add MAC (Stephanie Stroka)

Merge pull request BitBoxSwiss#211

5dabef1 sign: error on empty data (Marko Bencun)

Merge pull request BitBoxSwiss#188

79caf16 access to www.myetherwallet.com (djb)

Merge pull request BitBoxSwiss#184

6f2b016 Update gcc-arm link in Vagrantfile (djb)

Merge pull request BitBoxSwiss#183

8803e8e better err message for login requiring touch (djb)

Merge pull request BitBoxSwiss#180

e555a14 Print error in tests if send command larger than cmd buffer (djb)
f7803aa Replace pubkey by recid in return JSON of sign command (djb)
04a053d update utests color printing (djb)

Merge pull request BitBoxSwiss#175

758f2a9 Feature set: set bit (1) to enable U2F instead of unsetting bit (djb)

Merge pull request BitBoxSwiss#164

d05ec28 update for release 2 (djb)