blocks: tagged_stream_to_pdu now uses logic from tagged_stream_block, also more QA
fixed faulty include guard
blocks: adding abs_xx block/template
message_strobe_random_impl.h: typo in include guard; is taken from not-_random version.
Corrected double-to-int conversion in tags propagation that should have included rounding behavior
Removed old code
Merge remote-tracking branch 'martin/pdu-to-tsb'
fixed faulty include guard
Merge branch 'maint'
Merge branch 'master' of github:gnuradio/gnuradio
Merge branch 'master' into convert_to_pragma_once

Conflicts:
	gr-blocks/lib/message_strobe_random_impl.h