Update qdrN_ctrl size in ROACH2 core_info.tab file

The ROACH2 core_info.tab file now uses 64KB for the size of each qdrN_ctrl
device.  This is much larger than needed, but it's what gets setup in
system.mhs, so this just matches that sizing for consistency.
munge_out order fix
hilbert scripted and upgraded

hilbert block now fully scripted.
Includes support for multiple simultaneous inputs.
Includes misc input support.
binary point input parameter added to hilbert

Required for bit growth FFT as binary point cannot be assumed
to be one less than full bit width
delay_srl scripted with async option

delay_srl has init script
option added for en port to enable the enable chain, required
for asynchronous FFT work
default bin_pt_in for hilbert fix

bin_pt_in takes value of BitWidth-1 by default to be
backwards compatible
complex_conj added to Misc

Used in FFT but not in library.
Moved from xBlock script to standard.
Number inputs configurable.
Overflow strategy not hard-coded at Wrap as
before
mirror_spectrum redo

script converted from xBlock to standard.
multiple input option.
asynchronous option.
Possible bug in sync chain delay latencies to be investigated
Add ability to specify custom hw_routes file

Users now have the option of loading a custom hw_routes file by setting the
environment variable CASPER_HW_ROUTES to the name of the file to load.  If not
set, the default file "hw_routes.mat" is loaded.

The file name given is passed to the Matlab "load" function.  It can be given
as a fully qualified file name (i.e. start with a '/') or a partially qualified
file name.  Partially qualified names (including file names with no '/'
characters) are searched for on the Matlab path.

One use of this feature is to specify an alternate hw_routes file for ROACH2
Revsion 1 development.
bug fix and delay alignment

counter did not have the correct number of bits, fixed.
sync delays aligned with data as caused incorrect channel output.
biplex_real_4x unscrambler upgraded

supports multiple simultaneous input streams.
supports asynchonrous operation.
supports arbitrary input binary point (for fft bitgrowth options)
fft upgrade

Blocks modified to support;
* asynchronous operation
* multiple simultaneous inputs
* bitgrowth
Merge branch 'adc16-branch' of http://astro.berkeley.edu/~davidm/mlib_devel