Fixing review comments

changes: not to translate plugin name to Chinese in it's doc.

chore: change directory lua to apisix.

update: apisix version

released new version 1.0

bugfix(radixtree_host_uri): match priority, host > uri. (apache#817)

* bugfix(radixtree_host_uri): match priority, host > uri.

Fix apache#761.

change: update v0.9.0-rc1 changelog. (apache#832)

luarocks: updated dependencies of version 0.8.

bugfix: created dir for zipkin. (apache#377) (apache#378)