upgrading all dependency packages via NuGet
Application resume: fix trailing problem for navigation
login expiry: fixed. start testing
comment - add tracking in the exception handling
fix 404, nicely handle object not found
posts: fix no picture by switching to bbcode parsing
trim ending new lines at the end of comment
fixed refresh token API issue
fix a few bugs and publishing ready

1. trim ending whitespaces
2. delete swipe gesture
3. write about page
4. update version number
support table in bbcode
support table tag
fix issue for image displaying
enabled liking for posts
remove obsolete css files

TODO: need to add new CSS files