Revert "fixing bash_prompt path  to include repo name"

This reverts commit 30851d41c4751abf51b5107cffd7bf7c31cfee5a.
fixing bash_prompt path  to include repo name
mentioning in instructions that you need to cd to the repo directory before running commands.
adding that git lg may require q to exit
Merge pull request #2 from CRC-BU/dan_changes

Some updates for issues that Dan found