Add support for coding standard
Specify versions for a few packages

It seems pear remote-info return the latest beta version and pear upgrade --force won't upgrade to that version. Puppet will generate active notifications on every run.
Add example to install coding standard in readme

Also added dependency for puppetlabs/vcsrepo and fixed a few typos
Add dependency to Modulefile

Also a style fix in README.md
Fix the default_standard varible undef checking
Merge pull request #4 from ubc/code-standard

Add support for coding standard