Update Livy repo URLs.
drwxr-xr-x - .github
-rw-r--r-- 381 .gitignore
-rw-r--r-- 499 .rat-excludes
-rw-r--r-- 2405 .travis.yml
-rw-r--r-- 537 DISCLAIMER
-rw-r--r-- 18665 LICENSE
-rw-r--r-- 160 NOTICE
-rw-r--r-- 2652 README.md
drwxr-xr-x - api
drwxr-xr-x - assembly
drwxr-xr-x - bin
-rw-r--r-- 1097 checkstyle-suppressions.xml
-rw-r--r-- 5431 checkstyle.xml
drwxr-xr-x - client-common
drwxr-xr-x - client-http
drwxr-xr-x - conf
drwxr-xr-x - core
drwxr-xr-x - coverage
drwxr-xr-x - dev
drwxr-xr-x - docs
drwxr-xr-x - examples
drwxr-xr-x - integration-test
-rw-r--r-- 38888 pom.xml
drwxr-xr-x - python-api
drwxr-xr-x - repl
drwxr-xr-x - rsc
drwxr-xr-x - scala-api
drwxr-xr-x - scala
-rw-r--r-- 6384 scalastyle.xml
drwxr-xr-x - server
drwxr-xr-x - test-lib
drwxr-xr-x - thriftserver