fix crash for unsupported Encryption on OS X
update submodule url
support qrcode generation on OS X
disable qrcode menu when using public server
status bar: support Yosemite dark mode
set OS X Deployment Target to 10.7 for shadowsocks_sysconf
Merge pull request #66 from wkt/master

set OS X Deployment Target to 10.7 for shadowsocks_sysconf
Merge pull request #61 from MartianZ/master

status bar: support Yosemite dark mode
icons
Merge pull request #38 from yiyuanlu/master

fix crash for unsupported Encryption on OS X
lint code
add profile manager
add config window
fix window crash
finish profiles window
column width
implement menu
update zhcn
add placeholderLabel
fix placeholderLabel