Change go.rb to leave symbolic links for `go` and `gofmt`

Change lz4 to correct library path and to not install static library

Change unzip.rb to correctly install binary and manual files

Downgrade fuse.rb to use fuse 2.8.6

Update elixir to 1.5.0

Change icu4c to patch configuration file for arm.

Change imagemagick6.rb to update it to 6.9.9-4

Change imagemagick.rb to update it to 7.0.6-4.

  - Remove libsqlite3 package