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

Prepare to create AUR for Arch Linux.

Fix some bugs.

Complete l10n for server subscription.

Release v1.1.0.

Complete get/set system proxy for Windows.