fix: remove vip forum

Bug fix (fabricezhang#25)

* fix: fix proguard issue for forumnav model

* update: update version to 1.7.4

feat: main on me tab

feature update

add cancel btn

feat: add reply post / sync favorites support

[Update] support thread tab for forum && support code view

[Update] Add auto-sign

[Update] Add bottom nav bar and favorite page

Merge branch 'dev'

- Use webview to load forum pages instead of jsoup
- Add 404 not found animation for delted article
- Improve ui display