- remove .travis.yml
- ./travis_{script,install}.sh -> ./ci_{script,install}.sh
- flush stdout in test script to see logs more promptly
- adjust git config to ignore 'detachedHead' warnings
We would be thankful if you could use a development version of PlatformIO Core. in 99.999% it's very stable but there sometimes the cases which we didn't expect, such as https://github.com/platformio/platformio-core/issues/3377
So, if you will see any issues with PlatformIO Core-dev, please report us and we will fix ASAP. Thanks!