Add gemacs package

Update emacs from 26.1 to 26.1-1

Add lcms dependency

Add pre-built binaries

Remove lcms dependency

Add pre-built binaries

Add giflib package

Add pre-built binaries for attr, avocado and go

Update dmidecode from 3.1 to 3.2

Add pre-built binaries

This bumps emacs to 26.1.
Additionally it enables emacs to be compiled against the lucid toolkit
which allows it to be run in sommelier.

Add aarch/armv7l patch

Add pre-built binaries

Update Avocado package

Add libpsl dependency to wget package

Update sha256 hash for arm binaries of aws package

Add libpsl to core_packages.txt

Make graphviz and sphinx build dependencies

Add pre-built binaries for aws and nano packages

* Update aws package

* Uses self.build section. Tested on x86_64

* Modify build and install sections to remove extra lines

* Add command completion postinstall instructions for bash and zsh

Heroku v2

Add pre-built binaries for acl, heroku and r packages

Remove redundant dependencies to prevent a dependency loop

Remove llvm dependency from mesa

Update nodebrew from 1.0.0 to 1.0.1

Update llvm from 6.0.0-1 to 7.0.0

Remove lldb package

Add pre-built binaries