acording to the docs HttpClient::ready should return the inverse of Process::running()
Merge pull request #2066 from manuel-rabade/fix-httpclient-ready

Fix HttpClient::ready() return value
Merge remote-tracking branch 'arduino/ide-1.5.x' into ide-1.5.x-avr-toolchain-gcc-4.8.1
Updated revisions.txt
Merge branch 'ide-1.5.x' into ide-1.5.x-avr-toolchain-gcc-4.8.1