Polish the README files.
drwxr-xr-x - .github
-rw-r--r-- 377 .gitignore
-rwxr-xr-x 1808 .travis.settings.xml
-rwxr-xr-x 1353 .travis.yml
-rw-r--r-- 2196 CONTRIBUTING.md
-rw-r--r-- 1445 FAQ.md
-rw-r--r-- 1517 FAQ_ZH.md
-rw-r--r-- 11357 LICENSE
-rw-r--r-- 177 NOTICE
-rw-r--r-- 4577 README.md
-rw-r--r-- 4058 README_ZH.md
-rw-r--r-- 2234 ROADMAP.md
drwxr-xr-x - acceptance-tests
drwxr-xr-x - alpha
drwxr-xr-x - docker-build-config
drwxr-xr-x - docs
-rw-r--r-- 10256 gpg-sec.tar.enc
drwxr-xr-x - integration-tests
drwxr-xr-x - omega
drwxr-xr-x - pack-common
drwxr-xr-x - pack-contracts
-rw-r--r-- 31825 pom.xml
drwxr-xr-x - saga-core-akka
drwxr-xr-x - saga-core
drwxr-xr-x - saga-demo
drwxr-xr-x - saga-discovery
drwxr-xr-x - saga-distribution
drwxr-xr-x - saga-format
drwxr-xr-x - saga-performance
drwxr-xr-x - saga-persistence
drwxr-xr-x - saga-spring
drwxr-xr-x - saga-web
drwxr-xr-x - scripts
drwxr-xr-x - transports