Allow PORT and HOST to be configured with env vars
Add HOST and PORT env vars to the man page
Merge pull request #45 from adammck/config_via_env

Allow shotgun to be configured with the HOST and PORT env vars
Don't ignore man/shotgun.1

This file has been checked in since e419ece, and the gemspec expects it
to exist. It shouldn't be ignored.
Fix --browse option in ruby >= 1.9

In newer rubies, the `browse` parameter shadows the outer variable,
which is the one we actually want to set. The parameter wasn't being
used, anyway.
Merge pull request #48 from adammck/fix_browse_option

Fix the --browse option in ruby >= 1.9
Merge pull request #47 from adammck/dont_ignore_shotgun.1

Don't ignore man/shotgun.1