bump version to 0.8.7-rc2
Support for 'single-instance' when app is started in folder

Fix #515
bump version to 0.8.7-rc3
Flush stdout to inform buildbot that it is not hang.

Added retry and let 'node-webkit-' bundle to be uploaded first.
Add app single instance test case
bump version to 0.8.7-rc4
i18n for shell login dialog
fix i18n login dialog
support "basic" proxy auth
ship locale directory
add more strings
[OSX] auth dialog i18n
dump log for missing locale file
fix previous commit
[WIN] override locale with UI language list
fallback to primary language for locale detection
adjust title width and position for auth dialog
built-in menu enhancement