core: removing simple_framer_sync, now in gr-digital.
blocks: moved burst_tagger to gr-blocks.
Merge branch 'master' into next
blocks: removing burst_tagger from core; now in gr-blocks.
blocks: moving bin_statistics_f into gr-blocks.

QA worked, but keeping disabled for now in reference to issue #199.
Merge branch 'master' into next
blocks: removing bin_statistics_f from core; now in gr-blocks.
blocks: did my best to provide some documentation for the bin_statistics block.
Merge branch 'master' into next