Update heroku.rb

Updates packages aws az brotli

* aws    -> 1.14.32
* az     -> 2.0.26
* brotli -> 1.0.2

Add dlang support (ldc2,ldmd2,dub)

Add kbfsgit package

Adding KBFS (Keybase Fuse Filesystem)

Adding keybase package

Adding package zip

Updated packages: bind elinks gnupg pinentry

* bind: dropped buildessential dep
* elinks: added --without-x to avoid libx11; bumped version to f86be6597
* gnupg: changed dep "automake" to build stage only

* bind 9.10.5-p3 -> 9.12.0
* elinks: already on latest commit; added dep: x11libs
* gnupg 2.2.2 -> 2.2.4
* pinentry 1.0.0 -> 1.1.0

Add pre-built binaries for fish, go, libcyrussasl, mutt and wol

Add mediainfo package

Update go from 1.9.1 to 1.9.3

Update fish from 2.7.1 to 2.7.1-1

Update mutt from 1.9.1 to 1.9.2

Update libcyrussasl from 2.1.26 to 2.1.27-rc6

Add pre-built binaries for packages a-s

Add swatchdog package

Add wol package

Update README.md

Let's usher in the new year!