Code review request

[GoogleCodeExporter]

Purpose of code changes on this branch:
enhances the setup script to handle error conditions more gracefully

file to be reviewed: /setup

Textual Description of changes:
1. added function for manual input of archives in case wget fails.
2. add the export statement for es-tools in users .bashrc
3. exit with appropriate exit status in case a command fails

@shiki,
please discard the older review request id=46 as it was not in desired format.

Original issue reported on code.google.com by 17.neera...@gmail.com on 8 Oct 2009 at 8:03

[GoogleCodeExporter]

Set review issue status to: Started

Original comment by Shiki.Ok...@gmail.com on 13 Oct 2009 at 5:07

• Changed state: Started

[GoogleCodeExporter]

Set review issue status to: New

Original comment by Shiki.Ok...@gmail.com on 13 Oct 2009 at 5:07

• Changed state: New

[GoogleCodeExporter]

Set review issue status to: Started

Original comment by Shiki.Ok...@gmail.com on 13 Oct 2009 at 5:07

• Changed state: Started

[GoogleCodeExporter]

Original comment by Shiki.Ok...@gmail.com on 14 Oct 2009 at 9:59

• Changed state: Done