Adds a new background image, along with precisely located icon files.
Also updates the icon files to have white backgrounds. The icon files were
created using the 256px icon used in the ubuntu build.
The python from brew links to brew's version of openssl
while the python one works with what osx has by default.
We need the later or else the resultiing app bundle
only works on machines that have brew's version of
openssl.
setup_uri_handler.py has moved, update build script to reflect
again, setup_uri_handler changed location
remove pipe to /dev/null
try updating openssl
try deep signing
another file renamed
install a dependency
prereqs
install requirements
install certifi
only install requirements on osx
thin binaries only if they're actually fat