Updated net/syncthing to 0.12.15

v0.12.15

- Handle race within the job queue (#1263, @AudriusButkevicius)
- Improve API/GUI shutdown handling (#2694, @calmh)
- Don't crash on folder remove while pulling (#2705, @calmh)

This release uses code signing on Mac OS X.

v0.12.14

This is a security update. The Windows builds are now done using Go 1.6beta2, otherwise this is identical to v0.12.13.

v0.12.13

This build is a security update.

- Add support for themes (#1925, @AudriusButkevicius)
- Don't leak sendIndexes on disconnect (#2589, @calmh)
- Always run relaying when enabled (#2665, @calmh)
- Update 'Edit' menu to 'Action' menu (#2662, @kluppy)

v0.12.12

- Update kardianos/osext (#2650, @calmh)
- Change default max conflicts to 10 (#2604, @calmh)
- Don't conflict copy conflict copies (#2605, @calmh)
- Don't allow in use CSRF tokens to expire (#1008, @calmh)
- Add relaying to main settings dialog (#2433, @calmh)
- Don't resolve destination address until we need to (#2671, @calmh)
- More fine grained locking in discovery cache (#2667, @calmh)
- Added STNODEFAULTFOLDER envvar to skip default folder creation on new install (#1515, @nrm21)

v0.12.11

- Remove windows specialisation from osutil.GetLans (#2192, @AudriusButkevicius)
- Ensure loaded config is free of duplicate devices (#2627, @calmh)
- Show device ID QR code from edit dialog (#1494, @ironmig)
- Don't warn about failed ignores if folder unhealthy (#2630, @AudriusButkevicius)
- Detect nonstandard hash algo and stop folder (#2314, @calmh)
- Also build linux-arm64, linux-ppc64, linux-ppc64le (@calmh)
- Disallow adding duplicate device ID in GUI (@ironmig)

v0.12.10

- Don't crash on stat error in ensureDir (#2608, @calmh)
- Correctly set default logfile location on Windows (#2608, @calmh)
- Consider tempfile when checking for free space (#2598, @andersonvom)
- Update kardianos/osext (#1272, @calmh)
- Remove fixed footer at first media break (#2454, @andersonvom)
- Update mtime of config file before upgrading (#2509, @andersonvom)
- Correct GUI asset dir handling (#2621, @calmh)

v0.12.9

- Example GUI override address (#2530, @calmh)
- Additional output on insufficient error (#2580, @Zillode)
- Add command line option to open GUI (#2210, @andersonvom)
- Always exit via error select, making sure reader routine is exits (#2547, @AudriusButkevicius)
- Don't verify free space for files when folder MinDiskFreePct==0 (#2600, @calmh)
- Edit device after accepting new connection (#1929, @andersonvom)

v0.12.8

- Correct type assertion in verbose logger, restart (#2561, @calmh)
- Remove Android hacks (#2505, @calmh)
- upnp: Use a separate error for the error unmarshalling (@wkennington)

(abs)