first draft of fft block
added fft block to library
Merge pull request #420 from jprobinson/master

importing from new go-imap location
Merge pull request #322 from nytlabs/fftBlock

FFT block
FFT fix for the route change
adding FFT to linux/arm...
Merge pull request #424 from nikhan/fft_fix

FFT fix for the route change (merge asap, broken build)
fixed toEmail panic when no client exist