Fix some bugs.

Fix some bugs. Improve user experience.

Fix some bugs.

Fix bugs for Unity Desktop Environment.

Support server options in Trojan server subscription.

Copy the bundled Country.mmdb for the first run.

Fix some warnings during compiling.

Merge branch 'master' of https://github.com/Dr-Incognito/V2Ray-Desktop

Use HTTP protocol to detect connectivity.

Merge branch 'master' of https://github.com/Dr-Incognito/V2Ray-Desktop