Merge pull request #17 from cs150bf/master

Attempt to clean up code (l8_lbw1 but l8_lbw8 is essentially the same, c...
Merge pull request #18 from cs150bf/master

More on l8 scripts (l8_lbw8, l8_lbw1)
Added features for low frequency FIR (and other filters based on it, e.g. Halfband). Now the latency of relational/logical blocks is a parameter.
Minor changes to come of the scripts.
Merge branch 'master' of github.com:casper-astro/vegas_devel
Adding model files and bofs (work in progress) trying to capture a full spectrum from the reshaper block.
We need to work on this because unlike mode h1k (in which a full spectrum comes in two chuncks), a full 16k spectrum comes in 32 chuncks... so we probably need more elaborated logic scheme for this capturing to work?
See also: cs150bf/vegas_devel [branch: mode_hbw]