Style fixes

Homebrew upstream have become quite strict regarding the use of
apostrophes over quotation marks.  This change cleans up the GNU Radio
formula a bit to follow this style.
Documentation requires docutils
Bundle Python dependencies

The preferred way of handling Python dependencies in Homebrew is to
bundle them in the package's libexec directory.

This change does not include matplotlib due to a build issue which is
still being investigated.
Bundle Python dependencies

The preferred way of handling Python dependencies in Homebrew is to
bundle them in the package's libexec directory.

This change does not include matplotlib due to a build issue which is
still being investigated.
Style fixes

Homebrew upstream have become quite strict regarding the use of
apostrophes over quotation marks.  This change cleans up the GNU Radio
formula a bit to follow this style.
Fix GNU Radio Companion blocks path

Unless specified, GNU Radio Companion will look for blocks in its
install prefix preventing it from picking up third party blocks
installed on the system.
Fix GNU Radio Companion blocks path

Unless specified, GNU Radio Companion will look for blocks in its
install prefix preventing it from picking up third party blocks
installed on the system.
Merge pull request #10 from dholm/bugfix/grc-blocks-path

Fix GNU Radio Companion blocks path
Merge pull request #7 from dholm/bugfix/docs

Documentation requires docutils
Pulled in dholm's patches
Merge branch 'feature/bundle-python' of https://github.com/dholm/homebrew-gnuradio
Style fixes.
Merge branch 'bugfix/style' of https://github.com/dholm/homebrew-gnuradio into dholm-bugfix/style
Merge branch 'dholm-bugfix/style'
Merged in dhom's style fixes and python bundling

Thanks again!
Merge branch 'master' of https://github.com/metacollin/homebrew-gnuradio

* 'master' of https://github.com/metacollin/homebrew-gnuradio:
  Merged in dhom's style fixes and python bundling
  Style fixes.
  Pulled in dholm's patches
  Fix GNU Radio Companion blocks path
  Bundle Python dependencies
  Style fixes
  Documentation requires docutils
docs: Fix documentation build

There was a typo in the Sphinx option.  Also enables doxygen when
building with documentation.