Make rebar skip deps since mix compiles them
Merge pull request #1184 from ericmj/mix-skip-deps

Make rebar skip deps since mix compiles them
Implement Binary.Chars for URI.Info
Merge pull request #1185 from meh/uri-to_binary

Implement Binary.Chars for URI.Info
Bring system.ex back to bootstrap. Closes #1155
Merge pull request #1183 from alco/system-bootstrap

Bring system.ex back to bootstrap
Added -v --version option to all elixir commands.

Fixes #1178