[Catalyst] Here's my shot at an app to install Catalyst Dependencies

[Carl Franks]

> It would be best if this script ran some tests to make
> sure everything go installed properly.

Assuming CPAN exits with a non-zero result when it fails to install
correctly, the shell script could do

perl -MCPAN -e 'install CPAN' \
&& perl -MCPAN -e 'install AppConfig' \
&& perl -MCPAN -e 'install Template'

if any fail, it won't go any further