uhd: extended uhd::dict to be able to be used like a Python dictionary

* Both dict["key"] and dict.get("key") syntax work
* Updated uhd_fft, uhd_rx_cfile, and uhd_siggen_base.py to use new syntax
grc: fixes issue of needing [] around the core affinity field in GRC.

Check for minoutbuf was buggy.
Merge branch 'maint'
gr-filter: Add missing break statement.

Addresses Coverity issue 1046186. Although users are likely better off using
the Hamming window instead of a rectangular window, this error will confuse
knowledgable users.

Signed-off-by: Philip Balister <philip@balister.org>
gr-analog : Fix initialization bugs in cc anf ff power squelch blocks.

Addresses Coverity issues 1043286 and 1043285.

Signed-off-by: Philip Balister <philip@balister.org>
gnuradio-runtime : Fix uninitialized variable.

Addresses Coverity 1043304. If either deserialize_untagged fails, goto the
error handler. Original code probably worked, since if one call failed, the
other would.

Signed-off-by: Philip Balister <philip@balister.org>
gr-fec : Fix uninitialized variable error.

Addresses Coverity issue 1043258. Code likely worked since d_count is only
used with the % operator. I think there is a potential rollover bug in the
code and the use of % is a performance issue. This code needs some more
janitor work.

Signed-off-by: Philip Balister <philip@balister.org>
Merge branch 'maint'
filter: Fixing the Hilbert transform and QA.

The hilbert_fc block now takes the type of window as a parameter. Defaults to Hamming to a) maximize sidelobe suppression and b) that's how it's always behaved.

The QA codes were fixed to create Hilbert transform taps using Hamming window to account for the previous commits change to the rectangular window.
filter: fixed filter QA to calculate filter and delay instead of using previously generated samples.
filter: fixed some QA code to compute the output instead of using previously generated samples.
Merge branch 'maint' of git.gnuradio.org:gnuradio into maint
Merge branch 'maint'
analog: agc3_cc_impl Windows compatibility

* If MSVC is detected, use std::vector instead of variable-length array
Merge remote-tracking branch 'ncorgan/uhd_dict_swig_extend'
Merge remote-tracking branch 'ncorgan/analog_fix_20130926'