fastboot: catch pexpect timeouts for deployment retries

Change-Id: I62a5828468c456e4e0751876e964c64d0561a453
pipeline: fix some typos

Change-Id: I1070649862d258568dd5a9f2db7716709dec57a3
fastmodels: implement flashloader1

Change-Id: I91fcca30ae41898b29a9a7cbabedd4ee16be4f53
STMC2: reset the serial-relay after a device hard reset

Change-Id: Ic3624e0e87c5b6bc1a9add37888c8466f45f63be
jtag: ensure key exists before reference

Change-Id: Iaede0c7549b051463cce7c1e8da4f4f3b25a8429
jtag: convert proc to instance variable and reset it when power_off is called

Change-Id: I8aa3e5aac4c841e84eac19251947d16aca9c25fd
Merge branch 'master' into staging

Prepare for hotfix release.