* Circle CI (#22982)
* Build/CI: Add Circle CI
* Fix travis
(cherry picked from commit cb6439bacd8b5d10ef2a4d2eb4e8ab2f950e4ffd)
* CI/CircleCI: Add parallel no-pch build
(cherry picked from commit 33c58b4aaf4afc8ca13c1d07c65d66e6beb6bedb)
* CI/CircleCI: Use ccache for nopch
(cherry picked from commit 6bcf5c64c489175da41acf7739f156319a00f5f9)
* CI/CircleCI: Change base docker image to custom-built trinitycore one
(cherry picked from commit 37beeb1282c24fc584f5f524279df408779c5d5b)
* CI/CircleCI: Switch to Ubuntu 18.10
(cherry picked from commit 6dfb4fde07082498a264ca0802ebdeb0bf3fa994)
* CI/CircleCI: Switch to Ubuntu 19.04
(cherry picked from commit 9009c82a8db2bdb433cba17820af8b0cef8e28e3)
* CI/Circle CI: Reduce ccache size from 5G to 1G
This should speedup Circle CI cache saving and in turn no-pch build
(cherry picked from commit 1b543ac16dd61ac6e1f8f00fee28156234c7e73f)
* CI/Circle CI: Adjust config for master branch
Co-authored-by: Giacomo Pozzoni <[email protected]>
