Improved progress notification test
Fixed callback hadnling
Added basic support for chrome.system.cpu
Fixed newline at end of file
[system.cpu] Added CPU Model Name to getInfo
Merge pull request #225 from beaufortfrancois/fixProgressDoc2

Improved progress notification test
Fixed swizzling linker error.

Thanks for the help, Andrew.
[system.cpu] Added remaining fields to getInfo
[system.cpu] Fixed API refererence URL
[system.cpu] Fixed message error
[system.cpu] Tightened android restriction
[system.cpu] Added plugin to API Status Doc
[system.cpu] Added precision to Status in README
[system.cpu] Changed from parseLong to valueOf
[system.cpu] Fixed nit
[system.cpu] Fixed date
[system.cpu] Renamed CPU to Cpu in certain cases
Merged upstream
Added chrome.system.network plugin for Android
[system.network] Fix doc nits