eth: implement eth/62 synchronization logic#1661

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karalabe wants to merge 16 commits into

ethereum:developfrom

karalabe:eth62-downloader

Commits on Aug 14, 2015

Commits on Aug 16, 2015

eth/downloader: finish porting the sync logic to eth/62
karalabe
committed

Commits on Aug 17, 2015

eth/downloader: enable the downloader for eth/63 and eth/64 too
karalabe
committed

Commits on Aug 19, 2015

Commits on Aug 20, 2015

eth/fetcher: detect empty blocks and short circuit body fetch
karalabe
committed

Commits on Aug 21, 2015

eth/downloader: detect and skip fetching empty blocks
karalabe
committed