Upgrade to latest brightray.
Upgrade libchromiumcontent to 765ec5dcf192845fed4aec0b117f1e53050911d6.
Contain arch in distribution name.
Merge pull request #379 from atom/32bit-linux

Support 32bit build on Linux
Return unicode string in clipboard.readText(), fixes atom/atom#2145.
Provide API to access selection clipboard, fixes #377.
:lipstick: Fix clipboard on Linux.
Bump v0.13.0.
"did-finish-load" should only emit for main frame, fixes #385.
mac: Restore presentation options when leaving kiosk mode, fixes #272.
:memo: Remove the dead link, fixes #390.
:memo: Fix the outdated menu example, closed #389.
- new atom_alt_message that can send synchronous messages from browser to renderer
- obj-c exception catching helper function
Merge branch 'master' of https://github.com/atom/atom-shell into spree-shell