wayneeseguin/rvm — pull request #3029 by budnik (2014-09-04 17:20:39+00:00)
Title: Fix escaping of backslash for bash 4.3

`rvm cron setup` fails on bash 4.3.11 with:
```
sed: -e expression #1, char 11: unknown option to `s'
```
Fixed escaping, works well both in 4.3.11 and 4.2.45