revise validOriginReferer

Merge pull request #49 from chhsiao1981/release-0.5.3

update version to 0.5.3

cache-control and expires

#47 cache-control in processCSRFContent
#45 expire-str in setTokenToCookie

register-client restricted to localhost.

register-client restricted to localhost.

able to serve web-pages.

1. add options for cors.
2. client add client-types (check csrf if client-type is web)
3. html / js with csrf
4. static
5. init e2e tests in api/

utf8 -> text in json

Rune.Utf8 as "text" in json

update rune and readme.

1. update Rune definition.
2. update README.md
3. update mongo-data in docker-compose.yaml

able to get article-detail.

1. update go-pttbbs to v0.4.5
2. update schema and align with api
3. fix shared-params issue.
4. dbcs and dbcs-tests.
5. parse article as content / signature / first-comments / comments
6. use redis to do lock.
7. queue comments.
8. use pttbbs.testutil.TDeepEqual, directly use go-pttbbs as backend.
9. refactor to follow backend => db => api flow.
10. use create-and-then-update to do upsert. (to have update_nano_ts always the newest)
11. a consistent framework for sub-schema.
12. firstcomments as comments/first
13. have no-jwt as default-user (api.GUEST)

update apidoc

1. adding board-users, title, name, desc, limit in apidoc.
2. should be username in api/login and api/register-user, not user_id
3. schema definition.
4. use bbs.UUserID
5. more complete readme.

docker settings.

1. mongo and backend host.
2. no need to +build in this repo.
3. schema config.

able to load article-list.

break changes to the api.

Please refer to http://173.255.216.176:5000/ for the newest api doc.