core: buffer alignments were getting confused. Just need to tell all blocks that they are aligned upon restart.
core: makes sure all block's buffers are aligned on start/restart and that they know it.
doc: fix documentation for wavsink (thanks to John Coppens for point it out).
core: when reseting buffers, make sure that the read/write pointers are always algined.
This fixes problems when disconnecting and reconnecting blocks to a flowgraph.
volk: added volk as depedency for various components
Its important to list the dependent libraries for a test so the library path can be correctly set. This is necessary on platforms without dynamic re-linking.
core: fixed point sin/cos generator properly folds frequencies outside nyquist range to alias signal.
Merge remote branch 'jblum/gr_core_python_qa_add_dashb' into maint
core: empty gr_hier_block2 contructor for virtual inheritance
core: adds -B to python QA gnuradio-core
Merge branch 'maint' of gnuradio.org:gnuradio into maint
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