Suppress "-s elixir start_cli" for IEx
Merge pull request #2652 from chyndman/elixir-bat-iex-startcli

Suppress "-s elixir start_cli" for IEx
Accept more forms of git versions

Fixes the parsing of “git version 1.9.3 (Apple Git-50)”.
Closes #2653.
Leave it to the application to start Logger after compilation

Closes #2649
Fix build
Ensure aliases are invoked for recursive tasks

Closes #2650